Index: model-api.txt
===================================================================
--- model-api.txt	(revision 982)
+++ model-api.txt	(working copy)
@@ -621,6 +621,15 @@
                              vertically).
 
     ``limit_choices_to``     See the description under ``ForeignKey`` above.
+
+    ``singular``             The singular name of the field, which is used to make
+                             the ``get`` methods.  Normally, using the example given
+                             above, Django would give the Pizza objects methods
+                             like ``get_topping_list()`` where ``topping`` is the
+                             singular and is derived from the lowercase version of the
+                             class being linked to.  Use the 'singular' parameter to 
+                             change this - you need this if you have more than one
+                             ManyToMany relationship to the same class.
     =======================  ============================================================
 
 One-to-one relationships