diff --git a/README.md b/README.md
index 0d2cc94..0a10e42 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ var fs = require('fs');
 var youtubedl = require('youtube-dl');
 var video = youtubedl('http://www.youtube.com/watch?v=90AiXO1pAiA',
   // Optional arguments passed to youtube-dl.
-  ['--max-quality=18'],
+  ['--format=18'],
   // Additional options can be given for calling `child_process.execFile()`.
   { cwd: __dirname });
 
diff --git a/example/download.js b/example/download.js
index 1ee2657..eb87047 100644
--- a/example/download.js
+++ b/example/download.js
@@ -5,7 +5,7 @@ var ytdl = require('..');
 
 var video = ytdl('http://www.youtube.com/watch?v=Seku9G1kT0c',
   // Optional arguments passed to youtube-dl.
-  ['--max-quality=22']);
+  ['-f', '22']);
 
 
 var size = 0;