Addition of some details in the code comments.
diff --git a/Lib/urllib2.py b/Lib/urllib2.py
index a6c3e29..2d73475 100644
--- a/Lib/urllib2.py
+++ b/Lib/urllib2.py
@@ -30,7 +30,9 @@
install_opener -- Installs a new opener as the default opener.
objects of interest:
-OpenerDirector --
+
+OpenerDirector -- Sets up the User Agent as the Python-urllib client and manages
+the Handler classes, while dealing with requests and responses.
Request -- An object that encapsulates the state of a request. The
state can be as simple as the URL. It can also include extra HTTP
@@ -440,7 +442,7 @@
"""Create an opener object from a list of handlers.
The opener will use several default handlers, including support
- for HTTP and FTP.
+ for HTTP, FTP and when applicable, HTTPS.
If any of the handlers passed as arguments are subclasses of the
default handlers, the default handlers will not be used.