Typo in exception name

misago/apps/errors.py

@@ -2,7 +2,7 @@ from django.template import RequestContext
 
 def error_not_implemented(request, *args, **kwargs):
     """Generic "NOT IMPLEMENTED!" Error"""
-    raise NotImplemenetedError("This action is not implemented!")
+    raise NotImplementedError("This action is not implemented!")
 
 
 def error_view(request, error, message):