diff --git a/contrib/externs/w3c_gamepad.js b/contrib/externs/w3c_gamepad.js
index <HASH>..<HASH> 100644
--- a/contrib/externs/w3c_gamepad.js
+++ b/contrib/externs/w3c_gamepad.js
@@ -21,7 +21,11 @@
  */
 
 /**
- * @typedef {{id: string, index: number, timestamp: number, axes: Array.<number>, buttons: Array.<number>}}
+ * @typedef {{id: string,
+ *            index: number,
+ *            timestamp: number,
+ *            axes: Array.<number>,
+ *            buttons: Array.<number>}}
  */
 var Gamepad;
Fix long line in gamepad externs.
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Created by MOE: <URL>