diff -r 66a1fbdbe4bb Lib/importlib/_bootstrap.py
--- a/Lib/importlib/_bootstrap.py	Thu May 05 16:21:35 2016 +0300
+++ b/Lib/importlib/_bootstrap.py	Sat May 07 18:06:57 2016 +0300
@@ -270,7 +270,7 @@
 # Module specifications #######################################################
 
 def _module_repr(module):
-    # The implementation of ModuleType__repr__().
+    # The implementation of ModuleType.__repr__().
     loader = getattr(module, '__loader__', None)
     if hasattr(loader, 'module_repr'):
         # As soon as BuiltinImporter, FrozenImporter, and NamespaceLoader
@@ -603,7 +603,8 @@
 
 # Used by importlib.reload() and _load_module_shim().
 def _exec(spec, module):
-    """Execute the spec in an existing module's namespace."""
+    """Execute the module specified by the spec in an existing 
+    module's namespace."""
     name = spec.name
     _imp.acquire_lock()
     with _ModuleLockManager(name):
@@ -877,7 +878,7 @@
 
 
 def _find_spec(name, path, target=None):
-    """Find a module's loader."""
+    """Find a module's spec."""
     meta_path = sys.meta_path
     if meta_path is None:
         # PyImport_Cleanup() is running or has been called.
diff -r 66a1fbdbe4bb Lib/importlib/_bootstrap_external.py
--- a/Lib/importlib/_bootstrap_external.py	Thu May 05 16:21:35 2016 +0300
+++ b/Lib/importlib/_bootstrap_external.py	Sat May 07 18:06:57 2016 +0300
@@ -1044,11 +1044,7 @@
 
     @classmethod
     def _path_hooks(cls, path):
-        """Search sequence of hooks for a finder for 'path'.
-
-        If 'hooks' is false then use sys.path_hooks.
-
-        """
+        """Search sys.path_hooks for a finder for 'path'."""
         if sys.path_hooks is not None and not sys.path_hooks:
             _warnings.warn('sys.path_hooks is empty', ImportWarning)
         for hook in sys.path_hooks:
@@ -1130,8 +1126,8 @@
 
     @classmethod
     def find_spec(cls, fullname, path=None, target=None):
-        """find the module on sys.path or 'path' based on sys.path_hooks and
-        sys.path_importer_cache."""
+        """Try to find a spec for 'fullname' on sys.path or 'path',
+        based on sys.path_hooks and sys.path_importer_cache."""
         if path is None:
             path = sys.path
         spec = cls._get_spec(fullname, path, target)
@@ -1211,8 +1207,7 @@
                                        submodule_search_locations=smsl)
 
     def find_spec(self, fullname, target=None):
-        """Try to find a loader for the specified module, or the namespace
-        package portions. Returns (loader, list-of-portions)."""
+        """Try to find a spec to handle 'fullname' within self.path."""
         is_namespace = False
         tail_module = fullname.rpartition('.')[2]
         try: