Docs for related_query_name

docs/ref/models/fields.txt

@@ -1083,6 +1083,22 @@ define the details of how the relation works.
 
         user = models.ForeignKey(User, related_name='+')
 
+.. attribute:: ForeignKey.related_query_name
+
+    .. versionadded:: 1.6
+
+    The name to use for the reverse filter name from the target model.
+    Defaults to the value of :attr:`related_name` if it is set, otherwise it
+    defaults to the name of the model::
+
+        # Declare the ForeignKey with related_query_name
+        class Tag(models.Model):
+            article = models.ForeignKey(Article, related_name="tags", related_query_name="tag")
+            name = models.CharField(max_length=255)
+
+        # That's now the name of the reverse filter
+        article_instance.filter(tag__name="important")
+
 .. attribute:: ForeignKey.to_field
 
     The field on the related object that the relation is to. By default, Django
@@ -1207,6 +1223,12 @@ that control how the relationship functions.
         users = models.ManyToManyField(User, related_name='u+')
         referents = models.ManyToManyField(User, related_name='ref+')
 
+.. attribute:: ForeignKey.related_query_name
+
+    .. versionadded:: 1.6
+
+    Same as :attr:`ForeignKey.related_query_name`.
+
 .. attribute:: ManyToManyField.limit_choices_to
 
     Same as :attr:`ForeignKey.limit_choices_to`.