diff -r ebb1a16de89b Doc/c-api/set.rst
--- a/Doc/c-api/set.rst	Sat Apr 16 11:51:31 2016 +0000
+++ b/Doc/c-api/set.rst	Sat Apr 16 15:51:13 2016 +0300
@@ -128,7 +128,7 @@ or :class:`frozenset` or instances of th
    of brand new frozensets before they are exposed to other code).  Return 0 on
    success or -1 on failure. Raise a :exc:`TypeError` if the *key* is
    unhashable. Raise a :exc:`MemoryError` if there is no room to grow.  Raise a
-   :exc:`SystemError` if *set* is an not an instance of :class:`set` or its
+   :exc:`SystemError` if *set* is not an instance of :class:`set` or its
    subtype.
 
 
@@ -142,7 +142,7 @@ subtypes but not for instances of :class
    error is encountered.  Does not raise :exc:`KeyError` for missing keys.  Raise a
    :exc:`TypeError` if the *key* is unhashable.  Unlike the Python :meth:`~set.discard`
    method, this function does not automatically convert unhashable sets into
-   temporary frozensets. Raise :exc:`PyExc_SystemError` if *set* is an not an
+   temporary frozensets. Raise :exc:`PyExc_SystemError` if *set* is not an
    instance of :class:`set` or its subtype.
 
 
@@ -150,7 +150,7 @@ subtypes but not for instances of :class
 
    Return a new reference to an arbitrary object in the *set*, and removes the
    object from the *set*.  Return *NULL* on failure.  Raise :exc:`KeyError` if the
-   set is empty. Raise a :exc:`SystemError` if *set* is an not an instance of
+   set is empty. Raise a :exc:`SystemError` if *set* is not an instance of
    :class:`set` or its subtype.
 
 
diff -r ebb1a16de89b Doc/c-api/unicode.rst
--- a/Doc/c-api/unicode.rst	Sat Apr 16 11:51:31 2016 +0000
+++ b/Doc/c-api/unicode.rst	Sat Apr 16 15:51:13 2016 +0300
@@ -367,7 +367,7 @@ These APIs can be used to work with surr
 
 .. c:macro:: Py_UNICODE_IS_HIGH_SURROGATE(ch)
 
-   Check if *ch* is an high surrogate (``0xD800 <= ch <= 0xDBFF``).
+   Check if *ch* is a high surrogate (``0xD800 <= ch <= 0xDBFF``).
 
 .. c:macro:: Py_UNICODE_IS_LOW_SURROGATE(ch)
 
diff -r ebb1a16de89b Doc/distutils/apiref.rst
--- a/Doc/distutils/apiref.rst	Sat Apr 16 11:51:31 2016 +0000
+++ b/Doc/distutils/apiref.rst	Sat Apr 16 15:51:13 2016 +0300
@@ -837,7 +837,7 @@ selection by :class:`MSVCCompiler`.
 .. module:: distutils.bcppcompiler
 
 
-This module provides :class:`BorlandCCompiler`, an subclass of the abstract
+This module provides :class:`BorlandCCompiler`, a subclass of the abstract
 :class:`CCompiler` class for the Borland C++ compiler.
 
 
diff -r ebb1a16de89b Doc/library/asyncio-eventloop.rst
--- a/Doc/library/asyncio-eventloop.rst	Sat Apr 16 11:51:31 2016 +0000
+++ b/Doc/library/asyncio-eventloop.rst	Sat Apr 16 15:51:13 2016 +0300
@@ -513,7 +513,7 @@ Low-level socket operations
 
    The *address* must be already resolved to avoid the trap of hanging the
    entire event loop when the address requires doing a DNS lookup.  For
-   example, it must be an IP address, not an hostname, for
+   example, it must be an IP address, not a hostname, for
    :py:data:`~socket.AF_INET` and :py:data:`~socket.AF_INET6` address families.
    Use :meth:`getaddrinfo` to resolve the hostname asynchronously.
 
diff -r ebb1a16de89b Doc/library/ctypes.rst
--- a/Doc/library/ctypes.rst	Sat Apr 16 11:51:31 2016 +0000
+++ b/Doc/library/ctypes.rst	Sat Apr 16 15:51:13 2016 +0300
@@ -671,7 +671,7 @@ positive integer::
 
    TenPointsArrayType = POINT * 10
 
-Here is an example of an somewhat artificial data type, a structure containing 4
+Here is an example of a somewhat artificial data type, a structure containing 4
 POINTs among other stuff::
 
    >>> from ctypes import *
@@ -1888,7 +1888,7 @@ Utility functions
 .. function:: POINTER(type)
 
    This factory function creates and returns a new ctypes pointer type. Pointer
-   types are cached an reused internally, so calling this function repeatedly is
+   types are cached and reused internally, so calling this function repeatedly is
    cheap. *type* must be a ctypes type.
 
 
diff -r ebb1a16de89b Doc/library/idle.rst
--- a/Doc/library/idle.rst	Sat Apr 16 11:51:31 2016 +0000
+++ b/Doc/library/idle.rst	Sat Apr 16 15:51:13 2016 +0300
@@ -128,7 +128,7 @@ Find Selection
    Search for the currently selected string, if there is one.
 
 Find in Files...
-   Open a file search dialog.  Put results in an new output window.
+   Open a file search dialog.  Put results in a new output window.
 
 Replace...
    Open a search-and-replace dialog.
diff -r ebb1a16de89b Doc/library/tarfile.rst
--- a/Doc/library/tarfile.rst	Sat Apr 16 11:51:31 2016 +0000
+++ b/Doc/library/tarfile.rst	Sat Apr 16 15:51:13 2016 +0300
@@ -129,7 +129,7 @@ Some facts and figures:
    | ``'r|bz2'`` | Open a bzip2 compressed *stream* for       |
    |             | reading.                                   |
    +-------------+--------------------------------------------+
-   | ``'r|xz'``  | Open a lzma compressed *stream* for        |
+   | ``'r|xz'``  | Open an lzma compressed *stream* for       |
    |             | reading.                                   |
    +-------------+--------------------------------------------+
    | ``'w|'``    | Open an uncompressed *stream* for writing. |
diff -r ebb1a16de89b Doc/tutorial/datastructures.rst
--- a/Doc/tutorial/datastructures.rst	Sat Apr 16 11:51:31 2016 +0000
+++ b/Doc/tutorial/datastructures.rst	Sat Apr 16 15:51:13 2016 +0300
@@ -397,7 +397,7 @@ objects, such as lists.
 
 Though tuples may seem similar to lists, they are often used in different
 situations and for different purposes.
-Tuples are :term:`immutable`, and usually contain an heterogeneous sequence of
+Tuples are :term:`immutable`, and usually contain a heterogeneous sequence of
 elements that are accessed via unpacking (see later in this section) or indexing
 (or even by attribute in the case of :func:`namedtuples <collections.namedtuple>`).
 Lists are :term:`mutable`, and their elements are usually homogeneous and are
diff -r ebb1a16de89b Doc/whatsnew/2.2.rst
--- a/Doc/whatsnew/2.2.rst	Sat Apr 16 11:51:31 2016 +0000
+++ b/Doc/whatsnew/2.2.rst	Sat Apr 16 15:51:13 2016 +0300
@@ -720,7 +720,7 @@ possible types of the operands.
 
 (The controversy is over whether this is *really* a design flaw, and whether
 it's worth breaking existing code to fix this.  It's caused endless discussions
-on python-dev, and in July 2001 erupted into an storm of acidly sarcastic
+on python-dev, and in July 2001 erupted into a storm of acidly sarcastic
 postings on :newsgroup:`comp.lang.python`. I won't argue for either side here
 and will stick to describing what's  implemented in 2.2.  Read :pep:`238` for a
 summary of arguments and counter-arguments.)
diff -r ebb1a16de89b Doc/whatsnew/3.4.rst
--- a/Doc/whatsnew/3.4.rst	Sat Apr 16 11:51:31 2016 +0000
+++ b/Doc/whatsnew/3.4.rst	Sat Apr 16 15:51:13 2016 +0300
@@ -1457,7 +1457,7 @@ s), as well as a :meth:`~ssl.SSLContext.
 list of the loaded ``CA`` certificates.  (Contributed by Christian Heimes in
 :issue:`18147`.)
 
-If OpenSSL 0.9.8 or later is available, :class:`~ssl.SSLContext` has an new
+If OpenSSL 0.9.8 or later is available, :class:`~ssl.SSLContext` has a new
 attribute :attr:`~ssl.SSLContext.verify_flags` that can be used to control the
 certificate verification process by setting it to some combination of the new
 constants :data:`~ssl.VERIFY_DEFAULT`, :data:`~ssl.VERIFY_CRL_CHECK_LEAF`,
diff -r ebb1a16de89b Doc/whatsnew/3.6.rst
--- a/Doc/whatsnew/3.6.rst	Sat Apr 16 11:51:31 2016 +0000
+++ b/Doc/whatsnew/3.6.rst	Sat Apr 16 15:51:13 2016 +0300
@@ -214,7 +214,7 @@ directives ``%G``, ``%u`` and ``%V``.
 faulthandler
 ------------
 
-On Windows, the :mod:`faulthandler` module now installs an handler for Windows
+On Windows, the :mod:`faulthandler` module now installs a handler for Windows
 exceptions: see :func:`faulthandler.enable`. (Contributed by Victor Stinner in
 :issue:`23848`.)
 
diff -r ebb1a16de89b Include/listobject.h
--- a/Include/listobject.h	Sat Apr 16 11:51:31 2016 +0000
+++ b/Include/listobject.h	Sat Apr 16 15:51:13 2016 +0300
@@ -2,7 +2,7 @@
 /* List object interface */
 
 /*
-Another generally useful object type is an list of object pointers.
+Another generally useful object type is a list of object pointers.
 This is a mutable type: the list items can be changed, and items can be
 added or removed.  Out-of-range indices or non-list objects are ignored.
 
diff -r ebb1a16de89b Include/unicodeobject.h
--- a/Include/unicodeobject.h	Sat Apr 16 11:51:31 2016 +0000
+++ b/Include/unicodeobject.h	Sat Apr 16 15:51:13 2016 +0300
@@ -844,7 +844,7 @@ PyAPI_FUNC(int) PyUnicode_Resize(
     Py_ssize_t length           /* New length */
     );
 
-/* Decode obj to an Unicode object.
+/* Decode obj to a Unicode object.
 
    bytes, bytearray and other bytes-like objects are decoded according to the
    given encoding and error handler. The encoding and error handler can be
diff -r ebb1a16de89b Lib/_pydecimal.py
--- a/Lib/_pydecimal.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/_pydecimal.py	Sat Apr 16 15:51:13 2016 +0300
@@ -252,7 +252,7 @@ class InvalidOperation(DecimalException)
 class ConversionSyntax(InvalidOperation):
     """Trying to convert badly formed string.
 
-    This occurs and signals invalid-operation if an string is being
+    This occurs and signals invalid-operation if a string is being
     converted to a number and it does not conform to the numeric string
     syntax.  The result is [0,qNaN].
     """
diff -r ebb1a16de89b Lib/asyncio/selector_events.py
--- a/Lib/asyncio/selector_events.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/asyncio/selector_events.py	Sat Apr 16 15:51:13 2016 +0300
@@ -387,7 +387,7 @@ class BaseSelectorEventLoop(base_events.
 
         The address must be already resolved to avoid the trap of hanging the
         entire event loop when the address requires doing a DNS lookup. For
-        example, it must be an IP address, not an hostname, for AF_INET and
+        example, it must be an IP address, not a hostname, for AF_INET and
         AF_INET6 address families. Use getaddrinfo() to resolve the hostname
         asynchronously.
 
diff -r ebb1a16de89b Lib/idlelib/AutoComplete.py
--- a/Lib/idlelib/AutoComplete.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/idlelib/AutoComplete.py	Sat Apr 16 15:51:13 2016 +0300
@@ -64,7 +64,7 @@ class AutoComplete:
 
     def try_open_completions_event(self, event):
         """Happens when it would be nice to open a completion list, but not
-        really necessary, for example after an dot, so function
+        really necessary, for example after a dot, so function
         calls won't be made.
         """
         lastchar = self.text.get("insert-1c")
diff -r ebb1a16de89b Lib/idlelib/Debugger.py
--- a/Lib/idlelib/Debugger.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/idlelib/Debugger.py	Sat Apr 16 15:51:13 2016 +0300
@@ -372,7 +372,7 @@ class StackViewer(ScrolledList):
     def __init__(self, master, flist, gui):
         if macosxSupport.isAquaTk():
             # At least on with the stock AquaTk version on OSX 10.4 you'll
-            # get an shaking GUI that eventually kills IDLE if the width
+            # get a shaking GUI that eventually kills IDLE if the width
             # argument is specified.
             ScrolledList.__init__(self, master)
         else:
diff -r ebb1a16de89b Lib/idlelib/WidgetRedirector.py
--- a/Lib/idlelib/WidgetRedirector.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/idlelib/WidgetRedirector.py	Sat Apr 16 15:51:13 2016 +0300
@@ -68,7 +68,7 @@ class WidgetRedirector:
         '''Return OriginalCommand(operation) after registering function.
 
         Registration adds an operation: function pair to ._operations.
-        It also adds an widget function attribute that masks the tkinter
+        It also adds a widget function attribute that masks the tkinter
         class instance method.  Method masking operates independently
         from command dispatch.
 
diff -r ebb1a16de89b Lib/idlelib/configDialog.py
--- a/Lib/idlelib/configDialog.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/idlelib/configDialog.py	Sat Apr 16 15:51:13 2016 +0300
@@ -1196,7 +1196,7 @@ class ConfigDialog(Toplevel):
 
         All values are treated as text, and it is up to the user to supply
         reasonable values. The only exception to this are the 'enable*' options,
-        which are boolean, and can be toggled with an True/False button.
+        which are boolean, and can be toggled with a True/False button.
         """
         parent = self.parent
         frame = self.tabPages.pages['Extensions'].frame
diff -r ebb1a16de89b Lib/lib2to3/fixer_base.py
--- a/Lib/lib2to3/fixer_base.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/lib2to3/fixer_base.py	Sat Apr 16 15:51:13 2016 +0300
@@ -49,7 +49,7 @@ class BaseFix(object):
         """Initializer.  Subclass may override.
 
         Args:
-            options: an dict containing the options passed to RefactoringTool
+            options: a dict containing the options passed to RefactoringTool
             that could be used to customize the fixer through the command line.
             log: a list to append warnings and other messages to.
         """
diff -r ebb1a16de89b Lib/lib2to3/refactor.py
--- a/Lib/lib2to3/refactor.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/lib2to3/refactor.py	Sat Apr 16 15:51:13 2016 +0300
@@ -184,7 +184,7 @@ class RefactoringTool(object):
 
         Args:
             fixer_names: a list of fixers to import
-            options: an dict with configuration.
+            options: a dict with configuration.
             explicit: a list of fixers to run even if they are explicit.
         """
         self.fixers = fixer_names
diff -r ebb1a16de89b Lib/multiprocessing/managers.py
--- a/Lib/multiprocessing/managers.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/multiprocessing/managers.py	Sat Apr 16 15:51:13 2016 +0300
@@ -842,7 +842,7 @@ def RebuildProxy(func, token, serializer
 
 def MakeProxyType(name, exposed, _cache={}):
     '''
-    Return an proxy type whose methods are given by `exposed`
+    Return a proxy type whose methods are given by `exposed`
     '''
     exposed = tuple(exposed)
     try:
diff -r ebb1a16de89b Lib/optparse.py
--- a/Lib/optparse.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/optparse.py	Sat Apr 16 15:51:13 2016 +0300
@@ -1362,7 +1362,7 @@ class OptionParser (OptionContainer):
         sys.argv[1:]).  Any errors result in a call to 'error()', which
         by default prints the usage message to stderr and calls
         sys.exit() with an error message.  On success returns a pair
-        (values, args) where 'values' is an Values instance (with all
+        (values, args) where 'values' is a Values instance (with all
         your option values) and 'args' is the list of arguments left
         over after parsing options.
         """
diff -r ebb1a16de89b Lib/socketserver.py
--- a/Lib/socketserver.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/socketserver.py	Sat Apr 16 15:51:13 2016 +0300
@@ -747,7 +747,7 @@ class StreamRequestHandler(BaseRequestHa
             try:
                 self.wfile.flush()
             except socket.error:
-                # An final socket error may have occurred here, such as
+                # A final socket error may have occurred here, such as
                 # the local error ECONNABORTED.
                 pass
         self.wfile.close()
diff -r ebb1a16de89b Lib/sqlite3/test/regression.py
--- a/Lib/sqlite3/test/regression.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/sqlite3/test/regression.py	Sat Apr 16 15:51:13 2016 +0300
@@ -73,7 +73,7 @@ class RegressionTests(unittest.TestCase)
     def CheckStatementFinalizationOnCloseDb(self):
         # pysqlite versions <= 2.3.3 only finalized statements in the statement
         # cache when closing the database. statements that were still
-        # referenced in cursors weren't closed an could provoke "
+        # referenced in cursors weren't closed and could provoke "
         # "OperationalError: Unable to close due to unfinalised statements".
         con = sqlite.connect(":memory:")
         cursors = []
diff -r ebb1a16de89b Lib/tarfile.py
--- a/Lib/tarfile.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/tarfile.py	Sat Apr 16 15:51:13 2016 +0300
@@ -1528,9 +1528,9 @@ class TarFile(object):
 
            'x' or 'x:'  create a tarfile exclusively without compression, raise
                         an exception if the file is already created
-           'x:gz'       create an gzip compressed tarfile, raise an exception
+           'x:gz'       create a gzip compressed tarfile, raise an exception
                         if the file is already created
-           'x:bz2'      create an bzip2 compressed tarfile, raise an exception
+           'x:bz2'      create a bzip2 compressed tarfile, raise an exception
                         if the file is already created
            'x:xz'       create an lzma compressed tarfile, raise an exception
                         if the file is already created
diff -r ebb1a16de89b Lib/test/test_asyncio/test_selector_events.py
--- a/Lib/test/test_asyncio/test_selector_events.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/test/test_asyncio/test_selector_events.py	Sat Apr 16 15:51:13 2016 +0300
@@ -1182,7 +1182,7 @@ class SelectorSslTransportTests(test_uti
         self.assertIs(exc, waiter.exception())
 
     def test_cancel_handshake(self):
-        # Python issue #23197: cancelling an handshake must not raise an
+        # Python issue #23197: cancelling a handshake must not raise an
         # exception or log an error, even if the handshake failed
         waiter = asyncio.Future(loop=self.loop)
         transport = self.ssl_transport(waiter=waiter)
diff -r ebb1a16de89b Lib/test/test_asyncio/test_sslproto.py
--- a/Lib/test/test_asyncio/test_sslproto.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/test/test_asyncio/test_sslproto.py	Sat Apr 16 15:51:13 2016 +0300
@@ -40,7 +40,7 @@ class SslProtoHandshakeTests(test_utils.
             ssl_proto.connection_made(transport)
 
     def test_cancel_handshake(self):
-        # Python issue #23197: cancelling an handshake must not raise an
+        # Python issue #23197: cancelling a handshake must not raise an
         # exception or log an error, even if the handshake failed
         waiter = asyncio.Future(loop=self.loop)
         ssl_proto = self.ssl_protocol(waiter)
diff -r ebb1a16de89b Lib/test/test_binop.py
--- a/Lib/test/test_binop.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/test/test_binop.py	Sat Apr 16 15:51:13 2016 +0300
@@ -58,7 +58,7 @@ class Rat(object):
     den = property(_get_den, None)
 
     def __repr__(self):
-        """Convert a Rat to an string resembling a Rat constructor call."""
+        """Convert a Rat to a string resembling a Rat constructor call."""
         return "Rat(%d, %d)" % (self.__num, self.__den)
 
     def __str__(self):
diff -r ebb1a16de89b Lib/test/test_faulthandler.py
--- a/Lib/test/test_faulthandler.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/test/test_faulthandler.py	Sat Apr 16 15:51:13 2016 +0300
@@ -715,7 +715,7 @@ class FaultHandlerTests(unittest.TestCas
             sys.stderr = stderr
 
     def test_stderr_None(self):
-        # Issue #21497: provide an helpful error if sys.stderr is None,
+        # Issue #21497: provide a helpful error if sys.stderr is None,
         # instead of just an attribute error: "None has no attribute fileno".
         with self.check_stderr_none():
             faulthandler.enable()
diff -r ebb1a16de89b Lib/test/test_pathlib.py
--- a/Lib/test/test_pathlib.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/test/test_pathlib.py	Sat Apr 16 15:51:13 2016 +0300
@@ -200,7 +200,7 @@ class _BasePurePathTest(object):
 
     def _check_str_subclass(self, *args):
         # Issue #21127: it should be possible to construct a PurePath object
-        # from an str subclass instance, and it then gets converted to
+        # from a str subclass instance, and it then gets converted to
         # a pure str object.
         class StrSubclass(str):
             pass
diff -r ebb1a16de89b Lib/test/test_sys.py
--- a/Lib/test/test_sys.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/test/test_sys.py	Sat Apr 16 15:51:13 2016 +0300
@@ -644,7 +644,7 @@ class SysModuleTest(unittest.TestCase):
         self.assertEqual(os.path.abspath(sys.executable), sys.executable)
 
         # Issue #7774: Ensure that sys.executable is an empty string if argv[0]
-        # has been set to an non existent program name and Python is unable to
+        # has been set to a non existent program name and Python is unable to
         # retrieve the real program name
 
         # For a normal installation, it should work without 'cwd'
diff -r ebb1a16de89b Lib/test/test_threading.py
--- a/Lib/test/test_threading.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/test/test_threading.py	Sat Apr 16 15:51:13 2016 +0300
@@ -1083,7 +1083,7 @@ class EventTests(lock_tests.EventTests):
     eventtype = staticmethod(threading.Event)
 
 class ConditionAsRLockTests(lock_tests.RLockTests):
-    # An Condition uses an RLock by default and exports its API.
+    # A Condition uses an RLock by default and exports its API.
     locktype = staticmethod(threading.Condition)
 
 class ConditionTests(lock_tests.ConditionTests):
diff -r ebb1a16de89b Lib/test/test_zipapp.py
--- a/Lib/test/test_zipapp.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/test/test_zipapp.py	Sat Apr 16 15:51:13 2016 +0300
@@ -195,7 +195,7 @@ class ZipAppTest(unittest.TestCase):
         self.assertTrue(new_target.getvalue().startswith(b'#!python2.7\n'))
 
     def test_read_from_pathobj(self):
-        # Test that we can copy an archive using an pathlib.Path object
+        # Test that we can copy an archive using a pathlib.Path object
         # for the source.
         source = self.tmpdir / 'source'
         source.mkdir()
diff -r ebb1a16de89b Lib/tkinter/__init__.py
--- a/Lib/tkinter/__init__.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/tkinter/__init__.py	Sat Apr 16 15:51:13 2016 +0300
@@ -2771,7 +2771,7 @@ class Menu(Widget):
                     self.deletecommand(c)
         self.tk.call(self._w, 'delete', index1, index2)
     def entrycget(self, index, option):
-        """Return the resource value of an menu item for OPTION at INDEX."""
+        """Return the resource value of a menu item for OPTION at INDEX."""
         return self.tk.call(self._w, 'entrycget', index, '-' + option)
     def entryconfigure(self, index, cnf=None, **kw):
         """Configure a menu item at INDEX."""
diff -r ebb1a16de89b Lib/tkinter/dnd.py
--- a/Lib/tkinter/dnd.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/tkinter/dnd.py	Sat Apr 16 15:51:13 2016 +0300
@@ -3,7 +3,7 @@
 This is very preliminary.  I currently only support dnd *within* one
 application, between different windows (or within the same window).
 
-I an trying to make this as generic as possible -- not dependent on
+I am trying to make this as generic as possible -- not dependent on
 the use of a particular widget or icon type, etc.  I also hope that
 this will work with Pmw.
 
diff -r ebb1a16de89b Lib/tkinter/tix.py
--- a/Lib/tkinter/tix.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/tkinter/tix.py	Sat Apr 16 15:51:13 2016 +0300
@@ -702,7 +702,7 @@ class DirSelectBox(TixWidget):
 
 class ExFileSelectBox(TixWidget):
     """ExFileSelectBox - MS Windows style file select box.
-    It provides an convenient method for the user to select files.
+    It provides a convenient method for the user to select files.
 
     Subwidget       Class
     ---------       -----
@@ -760,7 +760,7 @@ class DirSelectDialog(TixWidget):
 # Should inherit from a Dialog class
 class ExFileSelectDialog(TixWidget):
     """ExFileSelectDialog - MS Windows style file select dialog.
-    It provides an convenient method for the user to select files.
+    It provides a convenient method for the user to select files.
 
     Subwidgets       Class
     ----------       -----
diff -r ebb1a16de89b Lib/tkinter/ttk.py
--- a/Lib/tkinter/ttk.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/tkinter/ttk.py	Sat Apr 16 15:51:13 2016 +0300
@@ -1478,7 +1478,7 @@ class LabeledScale(Frame):
     can be accessed through instance.label"""
 
     def __init__(self, master=None, variable=None, from_=0, to=10, **kw):
-        """Construct an horizontal LabeledScale with parent master, a
+        """Construct a horizontal LabeledScale with parent master, a
         variable to be associated with the Ttk Scale widget and its range.
         If variable is not specified, a tkinter.IntVar is created.
 
diff -r ebb1a16de89b Lib/xmlrpc/client.py
--- a/Lib/xmlrpc/client.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/xmlrpc/client.py	Sat Apr 16 15:51:13 2016 +0300
@@ -1446,7 +1446,7 @@ class ServerProxy:
         # magic method dispatcher
         return _Method(self.__request, name)
 
-    # note: to call a remote object with an non-standard name, use
+    # note: to call a remote object with a non-standard name, use
     # result getattr(server, "strange-python-name")(args)
 
     def __call__(self, attr):
diff -r ebb1a16de89b Lib/zipapp.py
--- a/Lib/zipapp.py	Sat Apr 16 11:51:31 2016 +0000
+++ b/Lib/zipapp.py	Sat Apr 16 15:51:13 2016 +0300
@@ -89,9 +89,10 @@ def create_archive(source, target=None, 
     The created application archive will have a shebang line specifying
     that it should run with INTERPRETER (there will be no shebang line if
     INTERPRETER is None), and a __main__.py which runs MAIN (if MAIN is
-    not specified, an existing __main__.py will be used). It is an to specify
-    MAIN for anything other than a directory source with no __main__.py, and it
-    is an error to omit MAIN if the directory has no __main__.py.
+    not specified, an existing __main__.py will be used).  It is an error
+    to specify MAIN for anything other than a directory source with no
+    __main__.py, and it is an error to omit MAIN if the directory has no
+    __main__.py.
     """
     # Are we copying an existing archive?
     source_is_file = False
diff -r ebb1a16de89b Misc/HISTORY
--- a/Misc/HISTORY	Sat Apr 16 11:51:31 2016 +0000
+++ b/Misc/HISTORY	Sat Apr 16 15:51:13 2016 +0300
@@ -7220,7 +7220,7 @@ Library
   cElementTree module is updated too.
 
 - Issue #7774: Set sys.executable to an empty string if argv[0] has been set to
-  an non existent program name and Python is unable to retrieve the real program
+  a non existent program name and Python is unable to retrieve the real program
   name.
 
 - Issue #7880: Fix sysconfig when the python executable is a symbolic link.
@@ -14013,7 +14013,7 @@ Core and builtins
   would not be removed while allocating a new weakref object.  Since
   GC could be invoked at that time, however, that assumption was
   invalid.  In a truly obscure case of GC being triggered during
-  creation for a new weakref object for an referent which already
+  creation for a new weakref object for a referent which already
   has a weakref without a callback which is only referenced from
   cyclic trash, a memory error can occur.  This consistently created a
   segfault in a debug build, but provided less predictable behavior in
@@ -20227,7 +20227,7 @@ list of all new modules is included belo
 
 Probably the most pervasive change is the addition of Unicode support.
 We've added a new fundamental datatype, the Unicode string, a new
-build-in function unicode(), an numerous C APIs to deal with Unicode
+build-in function unicode(), a numerous C APIs to deal with Unicode
 and encodings.  See the file Misc/unicode.txt for details, or
 http://starship.python.net/crew/lemburg/unicode-proposal.txt.
 
@@ -27179,7 +27179,7 @@ a string it is returned unchanged, other
 * repr(x) returns the same as `x`.  (Some users found it easier to
 have this as a function.)
 
-* round(x) returns the floating point number x rounded to an whole
+* round(x) returns the floating point number x rounded to a whole
 number, represented as a floating point number.  round(x, n) returns x
 rounded to n digits.
 
diff -r ebb1a16de89b Misc/NEWS
--- a/Misc/NEWS	Sat Apr 16 11:51:31 2016 +0000
+++ b/Misc/NEWS	Sat Apr 16 15:51:13 2016 +0300
@@ -4117,7 +4117,7 @@ Library
 - Issue #21000: Improve the command-line interface of json.tool.
 
 - Issue #20995: Enhance default ciphers used by the ssl module to enable
-  better security an prioritize perfect forward secrecy.
+  better security a prioritize perfect forward secrecy.
 
 - Issue #20884: Don't assume that __file__ is defined on importlib.__init__.
 
diff -r ebb1a16de89b Modules/_csv.c
--- a/Modules/_csv.c	Sat Apr 16 11:51:31 2016 +0000
+++ b/Modules/_csv.c	Sat Apr 16 15:51:13 2016 +0300
@@ -731,7 +731,7 @@ parse_process_char(ReaderObj *self, Py_U
         break;
 
     case QUOTE_IN_QUOTED_FIELD:
-        /* doublequote - seen a quote in an quoted field */
+        /* doublequote - seen a quote in a quoted field */
         if (dialect->quoting != QUOTE_NONE &&
             c == dialect->quotechar) {
             /* save "" as " */
diff -r ebb1a16de89b Modules/_ctypes/_ctypes.c
--- a/Modules/_ctypes/_ctypes.c	Sat Apr 16 11:51:31 2016 +0000
+++ b/Modules/_ctypes/_ctypes.c	Sat Apr 16 15:51:13 2016 +0300
@@ -3802,7 +3802,7 @@ PyCFuncPtr_call(PyCFuncPtrObject *self, 
             return NULL;
         }
         /* there should be more checks? No, in Python */
-        /* First arg is an pointer to an interface instance */
+        /* First arg is a pointer to an interface instance */
         if (!this->b_ptr || *(void **)this->b_ptr == NULL) {
             PyErr_SetString(PyExc_ValueError,
                             "NULL COM pointer access");
diff -r ebb1a16de89b Modules/_io/stringio.c
--- a/Modules/_io/stringio.c	Sat Apr 16 11:51:31 2016 +0000
+++ b/Modules/_io/stringio.c	Sat Apr 16 15:51:13 2016 +0300
@@ -438,7 +438,7 @@ stringio_iternext(stringio *self)
                                            _PyIO_str_readline, NULL);
         if (line && !PyUnicode_Check(line)) {
             PyErr_Format(PyExc_IOError,
-                         "readline() should have returned an str object, "
+                         "readline() should have returned a str object, "
                          "not '%.200s'", Py_TYPE(line)->tp_name);
             Py_DECREF(line);
             return NULL;
diff -r ebb1a16de89b Modules/_io/textio.c
--- a/Modules/_io/textio.c	Sat Apr 16 11:51:31 2016 +0000
+++ b/Modules/_io/textio.c	Sat Apr 16 15:51:13 2016 +0300
@@ -2689,7 +2689,7 @@ textiowrapper_iternext(textio *self)
                                            _PyIO_str_readline, NULL);
         if (line && !PyUnicode_Check(line)) {
             PyErr_Format(PyExc_IOError,
-                         "readline() should have returned an str object, "
+                         "readline() should have returned a str object, "
                          "not '%.200s'", Py_TYPE(line)->tp_name);
             Py_DECREF(line);
             return NULL;
diff -r ebb1a16de89b Modules/_pickle.c
--- a/Modules/_pickle.c	Sat Apr 16 11:51:31 2016 +0000
+++ b/Modules/_pickle.c	Sat Apr 16 15:51:13 2016 +0300
@@ -4703,7 +4703,7 @@ calc_binsize(char *bytes, int nbytes)
 
 /* s contains x bytes of a little-endian integer.  Return its value as a
  * C int.  Obscure:  when x is 1 or 2, this is an unsigned little-endian
- * int, but when x is 4 it's a signed one.  This is an historical source
+ * int, but when x is 4 it's a signed one.  This is a historical source
  * of x-platform bugs.
  */
 static long
diff -r ebb1a16de89b Modules/faulthandler.c
--- a/Modules/faulthandler.c	Sat Apr 16 11:51:31 2016 +0000
+++ b/Modules/faulthandler.c	Sat Apr 16 15:51:13 2016 +0300
@@ -1178,7 +1178,7 @@ static PyMethodDef module_methods[] = {
     {"register",
      (PyCFunction)faulthandler_register_py, METH_VARARGS|METH_KEYWORDS,
      PyDoc_STR("register(signum, file=sys.stderr, all_threads=True, chain=False): "
-               "register an handler for the signal 'signum': dump the "
+               "register a handler for the signal 'signum': dump the "
                "traceback of the current thread, or of all threads if "
                "all_threads is True, into file")},
     {"unregister",
diff -r ebb1a16de89b Modules/selectmodule.c
--- a/Modules/selectmodule.c	Sat Apr 16 11:51:31 2016 +0000
+++ b/Modules/selectmodule.c	Sat Apr 16 15:51:13 2016 +0300
@@ -2127,7 +2127,7 @@ kqueue_queue_control(kqueue_queue_Object
         if (_PyTime_FromSecondsObject(&timeout,
                                       otimeout, _PyTime_ROUND_CEILING) < 0) {
             PyErr_Format(PyExc_TypeError,
-                "timeout argument must be an number "
+                "timeout argument must be a number "
                 "or None, got %.200s",
                 Py_TYPE(otimeout)->tp_name);
             return NULL;
diff -r ebb1a16de89b Objects/bytearrayobject.c
--- a/Objects/bytearrayobject.c	Sat Apr 16 11:51:31 2016 +0000
+++ b/Objects/bytearrayobject.c	Sat Apr 16 15:51:13 2016 +0300
@@ -3018,7 +3018,7 @@ bytearray(bytes_or_buffer) -> mutable co
 bytearray(int) -> bytes array of size given by the parameter initialized with null bytes\n\
 bytearray() -> empty bytes array\n\
 \n\
-Construct an mutable bytearray object from:\n\
+Construct a mutable bytearray object from:\n\
   - an iterable yielding integers in range(256)\n\
   - a text string encoded using the specified encoding\n\
   - a bytes or a buffer object\n\
diff -r ebb1a16de89b PC/clinic/winreg.c.h
--- a/PC/clinic/winreg.c.h	Sat Apr 16 11:51:31 2016 +0000
+++ b/PC/clinic/winreg.c.h	Sat Apr 16 15:51:13 2016 +0300
@@ -913,7 +913,7 @@ PyDoc_STRVAR(winreg_SetValueEx__doc__,
 "                     references to environment variables (for example,\n"
 "                     %PATH%).\n"
 "    REG_LINK -- A Unicode symbolic link.\n"
-"    REG_MULTI_SZ -- An sequence of null-terminated strings, terminated\n"
+"    REG_MULTI_SZ -- A sequence of null-terminated strings, terminated\n"
 "                    by two null characters.  Note that Python handles\n"
 "                    this termination automatically.\n"
 "    REG_NONE -- No defined value type.\n"
@@ -1056,4 +1056,4 @@ winreg_QueryReflectionKey(PyModuleDef *m
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=71f5bc30b646807b input=a9049054013a1b77]*/
+/*[clinic end generated code: output=19e4918dfaba0636 input=a9049054013a1b77]*/
diff -r ebb1a16de89b PC/winreg.c
--- a/PC/winreg.c	Sat Apr 16 11:51:31 2016 +0000
+++ b/PC/winreg.c	Sat Apr 16 15:51:13 2016 +0300
@@ -792,7 +792,7 @@ winreg.ConnectRegistry -> HKEY
         The predefined key to connect to.
     /
 
-Establishes a connection to the registry on on another computer.
+Establishes a connection to the registry on another computer.
 
 The return value is the handle of the opened key.
 If the function fails, an OSError exception is raised.
@@ -1605,7 +1605,7 @@ winreg.SetValueEx
                          references to environment variables (for example,
                          %PATH%).
         REG_LINK -- A Unicode symbolic link.
-        REG_MULTI_SZ -- An sequence of null-terminated strings, terminated
+        REG_MULTI_SZ -- A sequence of null-terminated strings, terminated
                         by two null characters.  Note that Python handles
                         this termination automatically.
         REG_NONE -- No defined value type.
@@ -1631,7 +1631,7 @@ the configuration registry to help the r
 static PyObject *
 winreg_SetValueEx_impl(PyModuleDef *module, HKEY key, Py_UNICODE *value_name,
                        PyObject *reserved, DWORD type, PyObject *value)
-/*[clinic end generated code: output=ea092a935c361582 input=e73dec535ebeea7d]*/
+/*[clinic end generated code: output=ea092a935c361582 input=f1b16cbcc3ed4101]*/
 {
     BYTE *data;
     DWORD len;
diff -r ebb1a16de89b Python/thread_nt.h
--- a/Python/thread_nt.h	Sat Apr 16 11:51:31 2016 +0000
+++ b/Python/thread_nt.h	Sat Apr 16 15:51:13 2016 +0300
@@ -231,7 +231,7 @@ PyThread_start_new_thread(void (*func)(v
 }
 
 /*
- * Return the thread Id instead of an handle. The Id is said to uniquely identify the
+ * Return the thread Id instead of a handle. The Id is said to uniquely identify the
  * thread in the system
  */
 long