1 files changed, 1 insertions, 0 deletions
diff --git a/readmore.js b/readmore.js
index 3a26cd9..64717c1 100644
--- a/readmore.js
+++ b/readmore.js
@@ -10,6 +10,7 @@
 /* global jQuery */
 
 (function($) {
+  'use strict';
 
   var readmore = 'readmore',
       defaults = {