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/Lib/webbrowser.py b/Lib/webbrowser.py
index e980497..ec3cece 100755
--- a/Lib/webbrowser.py
+++ b/Lib/webbrowser.py
@@ -1,5 +1,5 @@
 #! /usr/bin/env python3
-"""Interfaces for launching and remotely controlling Web browsers."""
+"""Interfaces for launching and remotely controlling web browsers."""
 # Maintained by Georg Brandl.
 
 import os