Issue #24232: Fix typos. Patch by Ville Skyttä.

Doc/howto/clinic.rst

@@ -1495,7 +1495,7 @@ preset configurations, as follows:
     the ``buffer`` preset.
 
     Suppresses the ``impl_prototype``, write the ``docstring_definition``
-    and ``parser_defintion`` to ``buffer``, write everything else to ``block``.
+    and ``parser_definition`` to ``buffer``, write everything else to ``block``.
 
 The third new directive is ``destination``::
 

Doc/howto/logging-cookbook.rst

@@ -1417,7 +1417,7 @@ works::
     def worker_process(config):
         """
         A number of these are spawned for the purpose of illustration. In
-        practice, they could be a heterogenous bunch of processes rather than
+        practice, they could be a heterogeneous bunch of processes rather than
         ones which are identical to each other.
 
         This initialises logging according to the specified configuration,

Doc/library/collections.rst

@@ -333,7 +333,7 @@ counts, but the output will exclude results with counts of zero or less.
     >>> c | d                       # union:  max(c[x], d[x])
     Counter({'a': 3, 'b': 2})
 
-Unary addition and substraction are shortcuts for adding an empty counter
+Unary addition and subtraction are shortcuts for adding an empty counter
 or subtracting from an empty counter.
 
     >>> c = Counter(a=2, b=-4)

Doc/library/poplib.rst

@@ -197,7 +197,7 @@ An :class:`POP3` instance has the following methods:
 
 .. method:: POP3.utf8()
 
-   Try to switch to UTF-8 mode. Returns the server response if sucessful,
+   Try to switch to UTF-8 mode. Returns the server response if successful,
    raises :class:`error_proto` if not. Specified in :RFC:`6856`.
 
    .. versionadded:: 3.5

Doc/library/ssl.rst

@@ -1381,7 +1381,7 @@ to speed up repeated connections from the same clients.
 
 .. attribute:: SSLContext.check_hostname
 
-   Wether to match the peer cert's hostname with :func:`match_hostname` in
+   Whether to match the peer cert's hostname with :func:`match_hostname` in
    :meth:`SSLSocket.do_handshake`. The context's
    :attr:`~SSLContext.verify_mode` must be set to :data:`CERT_OPTIONAL` or
    :data:`CERT_REQUIRED`, and you must pass *server_hostname* to