doc: fix case/grammar with mailoutbox (#459)

blueyed · pelme · commit b3d7fd664162 · 2017-02-13T09:01:33.000+01:00
[ci skip]
diff --git a/docs/helpers.rst b/docs/helpers.rst
@@ -241,7 +241,7 @@ Example
 ``mailoutbox``
 ~~~~~~~~~~~~~~~~~~~~~~~~~
 
-A clean mail outbox where django emails are being sent.
+A clean mail outbox where Django emails are being sent to.
 
 Example
 """""""
