Fixed fat-finger typo.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6362 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/install.txt

@@ -86,7 +86,7 @@ to create a temporary test database.
 .. _SQLite: http://www.sqlite.org/
 .. _pysqlite: http://initd.org/tracker/pysqlite
 .. _MySQL backend: ../databases/
-.. _cx_Oracle: http://cx-oracle.sourceforge.net//
+.. _cx_Oracle: http://cx-oracle.sourceforge.net/
 .. _Oracle: http://www.oracle.com/
 .. _testing framework: ../testing/