diff --git a/docs/oauth2/server.rst b/docs/oauth2/server.rst
index 15420f3f..922189bf 100644
--- a/docs/oauth2/server.rst
+++ b/docs/oauth2/server.rst
@@ -447,7 +447,7 @@ The example using Django but should be transferable to any framework.
             response[k] = v
         return response
 
-    def response_from_error(e)
+    def response_from_error(e):
         return HttpResponseBadRequest('Evil client is unable to send a proper request. Error is: ' + e.description)