bpo-25910: Link redirections in docs (#1933)

Fixes some redirection links in docs.
diff --git a/Doc/howto/logging.rst b/Doc/howto/logging.rst
index 8074b0f..4ee68b4 100644
--- a/Doc/howto/logging.rst
+++ b/Doc/howto/logging.rst
@@ -314,7 +314,7 @@
 If your logging needs are simple, then use the above examples to incorporate
 logging into your own scripts, and if you run into problems or don't
 understand something, please post a question on the comp.lang.python Usenet
-group (available at https://groups.google.com/group/comp.lang.python) and you
+group (available at https://groups.google.com/forum/#!forum/comp.lang.python) and you
 should receive help before too long.
 
 Still here? You can carry on reading the next few sections, which provide a