Fixed #7044 -- Corrected a minor typo in a docstring in the model loader. Thanks, msaelices.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7679 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/loading.py

@@ -157,7 +157,7 @@ class AppCache(object):
         """
         for model in models:
             # Store as 'name: model' pair in a dictionary
-            # in the _app_models dictionary
+            # in the app_models dictionary
             model_name = model._meta.object_name.lower()
             model_dict = self.app_models.setdefault(app_label, {})
             if model_name in model_dict: