Fixed #14189 - permalink docs import mistake

  
Thanks to 7times9 for report and patch.

Backport of [13666] from trunk


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13667 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/ref/models/instances.txt

@@ -515,7 +515,7 @@ the ``url`` function)::
 ...and then using that name to perform the reverse URL resolution instead
 of the view name::
 
-    from django.db.models import permalink
+    from django.db import models
 
     @models.permalink
     def get_absolute_url(self):