bpo-44740: Lowercase "internet" and "web" where appropriate. (GH-27378) (GH-27380)

Co-authored-by: Ɓukasz Langa <lukasz@langa.pl>
(cherry picked from commit 11749e2dc20ad6a76e9a39e948853e89b2b4bbed)

Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
diff --git a/Doc/library/urllib.request.rst b/Doc/library/urllib.request.rst
index b4435a6..130c7d6 100644
--- a/Doc/library/urllib.request.rst
+++ b/Doc/library/urllib.request.rst
@@ -1543,7 +1543,7 @@
 
 * The :func:`urlopen` and :func:`urlretrieve` functions can cause arbitrarily
   long delays while waiting for a network connection to be set up.  This means
-  that it is difficult to build an interactive Web client using these functions
+  that it is difficult to build an interactive web client using these functions
   without using threads.
 
   .. index::