Fix order of parameters (googleapis#4636)

gcbirzan · dhermes · commit 190e1487a2da · 2017-12-20T08:43:46.000-08:00
diff --git a/docs/pubsub/subscriber/index.rst b/docs/pubsub/subscriber/index.rst
@@ -40,7 +40,7 @@ to subscribe to, and it must already exist. Once you have that, it is easy:
     # values for your application.
     topic_name = 'projects/{project}/topics/{topic}'
     sub_name = 'projects/{project}/subscriptions/{subscription}'
-    subscriber.create_subscription(topic_name, sub_name)
+    subscriber.create_subscription(sub_name, topic_name)
 
 
 Pulling a Subscription
