Fixed typo in docs/index.txt.

AUTHORS

@@ -74,6 +74,7 @@ answer newbie questions, and generally made Django that much better:
     Arvis Bickovskis <viestards.lists@gmail.com>
     Aryeh Leib Taurog <http://www.aryehleib.com/>
     A S Alam <aalam@users.sf.net>
+    Asif Saif Uddin <auvipy@gmail.com>
     atlithorn <atlithorn@gmail.com>
     Audrey Roy <http://audreymroy.com/>
     av0000@mail.ru

docs/index.txt

@@ -42,8 +42,7 @@ will help you know where to look for certain things:
   application development. Also look at the ":ref:`index-first-steps`" below.
 
 * :doc:`Topic guides </topics/index>` discuss key topics and concepts at a
-  fairly a fairly high level and provide useful background information and
-  explanation.
+  fairly high level and provide useful background information and explanation.
 
 * :doc:`Reference guides </ref/index>` contain technical reference for APIs and
   other aspects of Django's machinery. They describe how it works and how to