Issue #28820: Fix spelling of “practice” as a noun

Doc/howto/urllib2.rst

@@ -567,7 +567,7 @@ This document was reviewed and revised by John Lee.
 .. [#] For an introduction to the CGI protocol see
        `Writing Web Applications in Python <http://www.pyzine.com/Issue008/Section_Articles/article_CGIOne.html>`_.
 .. [#] Google for example.
-.. [#] Browser sniffing is a very bad practise for website design - building
+.. [#] Browser sniffing is a very bad practice for website design - building
        sites using web standards is much more sensible. Unfortunately a lot of
        sites still send different versions to different browsers.
 .. [#] The user agent for MSIE 6 is

Doc/tutorial/modules.rst

@@ -496,7 +496,7 @@ when the ``from...import`` statement is executed.  (This also works when
 ``__all__`` is defined.)
 
 Although certain modules are designed to export only names that follow certain
-patterns when you use ``import *``, it is still considered bad practise in
+patterns when you use ``import *``, it is still considered bad practice in
 production code.
 
 Remember, there is nothing wrong with using ``from Package import

Mac/Modules/cg/CFMLateImport.c

@@ -894,7 +894,7 @@ static OSStatus RunRelocationEngine(const FragToFixInfo *fragToFix,
     MoreAssertQ(fragToFix->sectionHeaders != nil);
     MoreAssertQ(fragToFix->loaderSection != nil);
     MoreAssertQ(fragToFix->section0Base != nil);        // Technically, having a nil for these two is not a problem, ...
-    MoreAssertQ(fragToFix->section1Base != nil);        // but in practise it a wildly deviant case and we should know about it.
+    MoreAssertQ(fragToFix->section1Base != nil);        // but in practice it a wildly deviant case and we should know about it.
     MoreAssertQ(importLibrary != nil);
     MoreAssertQ(lookup != nil);