Update README.md

shisama · Sep 10, 2017 · 6fe50d2 · 6fe50d2
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Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -41,7 +41,7 @@ Add a listener for when the browser switches in and out of fullscreen.
 | callback  | <code>function</code> | function to be called when the browser switches in and out of fullscreen|
 
 Usage:
-```
+```js
 fullscreenChange(function() {
   console.log('switch fullscreen');
 });