diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -610,7 +610,7 @@
 .. opcode:: SETUP_ANNOTATIONS
 
    Checks whether ``__annotations__`` is defined in ``locals()``, if not it is
-   set up to an empty ``dict``. This opcode is only emmitted if a class
+   set up to an empty ``dict``. This opcode is only emitted if a class
    or module body contains :term:`variable annotations <variable annotation>`
    statically.
 
diff --git a/Lib/lib2to3/Grammar.txt b/Lib/lib2to3/Grammar.txt
--- a/Lib/lib2to3/Grammar.txt
+++ b/Lib/lib2to3/Grammar.txt
@@ -153,7 +153,7 @@
 # to our LL(1) parser. Even though 'test' includes '*expr' in star_expr,
 # we explicitly match '*' here, too, to give it proper precedence.
 # Illegal combinations and orderings are blocked in ast.c:
-# multiple (test comp_for) arguements are blocked; keyword unpackings
+# multiple (test comp_for) arguments are blocked; keyword unpackings
 # that precede iterable unpackings are blocked; etc.
 argument: ( test [comp_for] |
             test '=' test |
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -3475,7 +3475,7 @@
             client_context.verify_mode = ssl.CERT_REQUIRED
             client_context.load_verify_locations(SIGNING_CA)
 
-            # first conncetion without session
+            # first connection without session
             stats = server_params_test(client_context, server_context)
             session = stats['session']
             self.assertTrue(session.id)
diff --git a/Misc/HISTORY b/Misc/HISTORY
--- a/Misc/HISTORY
+++ b/Misc/HISTORY
@@ -13317,7 +13317,7 @@
 - Issue #5976: Fixed Distutils test_check_environ.
 
 - Issue #5941: Distutils build_clib command was not working anymore because
-  of an incomplete costumization of the archiver command. Added ARFLAGS in the
+  of an incomplete customization of the archiver command. Added ARFLAGS in the
   Makefile besides AR and make Distutils use it. Original patch by David
   Cournapeau.