Reverse static arguments

docs/static_files.md

@@ -8,11 +8,11 @@ Both directories and files can be served by registering with static
 app = Sanic(__name__)
 
 # Serves files from the static folder to the URL /static
-app.static('./static', '/static')
+app.static('/static', './static')
 
 # Serves the file /home/ubuntu/test.png when the URL /the_best.png
 # is requested
-app.static('/home/ubuntu/test.png', '/the_best.png')
+app.static('/the_best.png', '/home/ubuntu/test.png')
 
 app.run(host="0.0.0.0", port=8000)
 ```