Fixed it's -> its in multi-db.txt

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14921 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/topics/db/multi-db.txt

@@ -542,7 +542,7 @@ Using raw cursors with multiple databases
 If you are using more than one database you can use
 ``django.db.connections`` to obtain the connection (and cursor) for a
 specific database. ``django.db.connections`` is a dictionary-like
-object that allows you to retrieve a specific connection using it's
+object that allows you to retrieve a specific connection using its
 alias::
 
     from django.db import connections