diff --git a/django/contrib/admin/templatetags/admin_list.py b/django/contrib/admin/templatetags/admin_list.py
index 3bc1034492..c19f79c25a 100644
--- a/django/contrib/admin/templatetags/admin_list.py
+++ b/django/contrib/admin/templatetags/admin_list.py
@@ -1,7 +1,8 @@
 from django.core.template.decorators import simple_tag, inclusion_tag
 
 from django.contrib.admin.views.main import MAX_SHOW_ALL_ALLOWED, DEFAULT_RESULTS_PER_PAGE, ALL_VAR, \
- ORDER_VAR, ORDER_TYPE_VAR, PAGE_VAR , SEARCH_VAR , IS_POPUP_VAR, EMPTY_CHANGELIST_VALUE
+ ORDER_VAR, ORDER_TYPE_VAR, PAGE_VAR , SEARCH_VAR , IS_POPUP_VAR, EMPTY_CHANGELIST_VALUE, \
+ MONTHS
 
 from django.core import meta
 from django.utils.text import capfirst
diff --git a/docs/model-api.txt b/docs/model-api.txt
index 3522585e7a..edf94dd17c 100644
--- a/docs/model-api.txt
+++ b/docs/model-api.txt
@@ -621,6 +621,14 @@ the relationship should work. All are optional:
                              vertically).
 
     ``limit_choices_to``     See the description under ``ForeignKey`` above.
+
+    ``singular``             The singular name of the field.  Use to name the ``get_*``
+                             methods: in the example above, Django gives the ``Pizza``
+                             objects a ``get_topping_list()`` method, where ``topping``
+                             is the default ``singular`` value derived from the lowercase
+                             version of the class being linked to.  Use the singular
+                             parameter to change this, which is if you want one model to
+                             have multiple ``ManyToMany`` relationships to another model.
     =======================  ============================================================
 
 One-to-one relationships