@@ -479,7 +479,7 @@ async def connect_read_pipe(self, protocol_factory, pipe):
         # The reason to accept file-like object instead of just file descriptor
         # is: we need to own pipe and close it at transport finishing
         # Can got complicated errors if pass f.fileno(),
-        # close fd in pipe transport then close f and vise versa.
+        # close fd in pipe transport then close f and vice versa.
         raise NotImplementedError
 
     async def connect_write_pipe(self, protocol_factory, pipe):
@@ -492,7 +492,7 @@ async def connect_write_pipe(self, protocol_factory, pipe):
         # The reason to accept file-like object instead of just file descriptor
         # is: we need to own pipe and close it at transport finishing
         # Can got complicated errors if pass f.fileno(),
-        # close fd in pipe transport then close f and vise versa.
+        # close fd in pipe transport then close f and vice versa.
         raise NotImplementedError
 
     async def subprocess_shell(self, protocol_factory, cmd, *,
 
@@ -1379,7 +1379,7 @@ def add_child_handler(self, pid, callback, *args):
     def remove_child_handler(self, pid):
         # asyncio never calls remove_child_handler() !!!
         # The method is no-op but is implemented because
-        # abstract base classe requires it
+        # abstract base classes requires it
         return True
 
     def attach_loop(self, loop):
 
@@ -163,7 +163,7 @@ def get_legacy(members):
             return member
     else:
         # 32-bit legacy names - both shr.o and shr4.o exist.
-        # shr.o is the preffered name so we look for shr.o first
+        # shr.o is the preferred name so we look for shr.o first
         #  i.e., shr4.o is returned only when shr.o does not exist
         for name in ['shr.o', 'shr4.o']:
             member = get_one_match(re.escape(name), members)
 
@@ -443,15 +443,15 @@ def __del__(self):
 
         s = Test(1, 2, 3)
         # Test the StructUnionType_paramfunc() code path which copies the
-        # structure: if the stucture is larger than sizeof(void*).
+        # structure: if the structure is larger than sizeof(void*).
         self.assertGreater(sizeof(s), sizeof(c_void_p))
 
         dll = CDLL(_ctypes_test.__file__)
         func = dll._testfunc_large_struct_update_value
         func.argtypes = (Test,)
         func.restype = None
         func(s)
-        # bpo-37140: Passing the structure by refrence must not call
+        # bpo-37140: Passing the structure by reference must not call
         # its finalizer!
         self.assertEqual(finalizer_calls, [])
         self.assertEqual(s.first, 1)
 
@@ -62,7 +62,7 @@ class SequenceMatcher:
     notion, pairing up elements that appear uniquely in each sequence.
     That, and the method here, appear to yield more intuitive difference
     reports than does diff.  This method appears to be the least vulnerable
-    to synching up on blocks of "junk lines", though (like blank lines in
+    to syncing up on blocks of "junk lines", though (like blank lines in
     ordinary text files, or maybe "<P>" lines in HTML files).  That may be
     because this is the only method of the 3 that has a *concept* of
     "junk" <wink>.
 
@@ -392,7 +392,7 @@ def _fix_compile_args(self, output_dir, macros, include_dirs):
         return output_dir, macros, include_dirs
 
     def _prep_compile(self, sources, output_dir, depends=None):
-        """Decide which souce files must be recompiled.
+        """Decide which source files must be recompiled.
 
         Determine the list of object files corresponding to 'sources',
         and figure out which ones really need to be recompiled.
 
@@ -31,7 +31,7 @@
 # while making the sysconfig module the single point of truth.
 # This makes it easier for OS distributions where they need to
 # alter locations for packages installations in a single place.
-# Note that this module is depracated (PEP 632); all consumers
+# Note that this module is deprecated (PEP 632); all consumers
 # of this information should switch to using sysconfig directly.
 INSTALL_SCHEMES = {"unix_prefix": {}, "unix_home": {}, "nt": {}}
 
@@ -43,7 +43,7 @@
         sys_key = key
         sys_scheme = sysconfig._INSTALL_SCHEMES[sys_scheme_name]
         if key == "headers" and key not in sys_scheme:
-            # On POSIX-y platofrms, Python will:
+            # On POSIX-y platforms, Python will:
             # - Build from .h files in 'headers' (only there when
             #   building CPython)
             # - Install .h files to 'include'
 
@@ -110,4 +110,4 @@ class NonASCIILocalPartDefect(HeaderDefect):
     # parsing messages decoded from binary.
 
 class InvalidDateDefect(HeaderDefect):
-    """Header has unparseable or invalid date"""
+    """Header has unparsable or invalid date"""
@@ -405,7 +405,7 @@ def parse_endtag(self, i):
             tagname = namematch.group(1).lower()
             # consume and ignore other stuff between the name and the >
             # Note: this is not 100% correct, since we might have things like
-            # </tag attr=">">, but looking for > after tha name should cover
+            # </tag attr=">">, but looking for > after the name should cover
             # most of the cases and is much simpler
             gtpos = rawdata.find('>', namematch.end())
             self.handle_endtag(tagname)
 
@@ -1175,7 +1175,7 @@ Wed Mar 10 05:18:02 1999  Guido van Rossum  <guido@cnri.reston.va.us>
 	    classes in selected module
 	    methods of selected class
 
-	Sinlge clicking in a directory, module or class item updates the next
+	Single clicking in a directory, module or class item updates the next
 	column with info about the selected item.  Double clicking in a
 	module, class or method item opens the file (and selects the clicked
 	item if it is a class or method).