Issue 2188: Documentation hint about disabling proxy detection.
diff --git a/Doc/library/urllib2.rst b/Doc/library/urllib2.rst
index d5c57b2..dad0340 100644
--- a/Doc/library/urllib2.rst
+++ b/Doc/library/urllib2.rst
@@ -182,6 +182,7 @@
Cause requests to go through a proxy. If *proxies* is given, it must be a
dictionary mapping protocol names to URLs of proxies. The default is to read the
list of proxies from the environment variables :envvar:`<protocol>_proxy`.
+ To disable autodetected proxy pass an empty dictionary.
.. class:: HTTPPasswordMgr()