Clarified usage of as_view kwargs for setting arguments on class based views

Thanks Dave McLain for the patch.

1 files changed, 3 insertions, 2 deletions

diff --git a/django/views/generic/base.py b/django/views/generic/base.py
index 23e18c54a0..d0045a2ef0 100644
--- a/django/views/generic/base.py
+++ b/django/views/generic/base.py
@@ -54,8 +54,9 @@ class View(object):
                                 "keyword argument to %s(). Don't do that."
                                 % (key, cls.__name__))
             if not hasattr(cls, key):
-                raise TypeError("%s() received an invalid keyword %r" % (
-                    cls.__name__, key))
+                raise TypeError("%s() received an invalid keyword %r. as_view "
+                                "only accepts arguments that are already "
+                                "attributes of the class." % (cls.__name__, key))
 
         def view(request, *args, **kwargs):
             self = cls(**initkwargs)