Fix a typo.
diff --git a/Doc/library/urllib2.rst b/Doc/library/urllib2.rst
index cb8dc55..3e75f8c 100644
--- a/Doc/library/urllib2.rst
+++ b/Doc/library/urllib2.rst
@@ -195,7 +195,7 @@
:envvar:`<protocol>_proxy`. If no proxy environment variables are set, in a
Windows environment, proxy settings are obtained from the registry's
Internet Settings section and in a Mac OS X environment, proxy information
- is retrieved from from the OS X System Configuration Framework.
+ is retrieved from the OS X System Configuration Framework.
To disable autodetected proxy pass an empty dictionary.