Merge pull request laravel#1663 from davesouthey/5.1

Fix artisan link

redis.md

@@ -101,7 +101,7 @@ Pipelining should be used when you need to send many commands to the server in o
 
 Laravel also provides a convenient interface to the Redis `publish` and `subscribe` commands. These Redis commands allow you to listen for messages on a given "channel". You may publish messages to the channel from another application, or even using another programming language, allowing easy communication between applications / processes.
 
-First, let's setup a listener on a channel via Redis using the `subscribe` method. We will place this method call within an [Artisan command](/docs/{{version}}/commands) since calling the `subscribe` method begins a long-running process:
+First, let's setup a listener on a channel via Redis using the `subscribe` method. We will place this method call within an [Artisan command](/docs/{{version}}/artisan) since calling the `subscribe` method begins a long-running process:
 
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