diff --git a/public/js/render.js b/public/js/render.js
index 61663a4b..746820ae 100644
--- a/public/js/render.js
+++ b/public/js/render.js
@@ -26,30 +26,30 @@ var filterXSSOptions = {
   allowCommentTag: true,
   whiteList: whiteList,
   escapeHtml: function (html) {
-        // allow html comment in multiple lines
+    // allow html comment in multiple lines
     return html.replace(/<(.*?)>/g, '&lt;$1&gt;')
   },
   onIgnoreTag: function (tag, html, options) {
-        // allow comment tag
+    // allow comment tag
     if (tag === '!--') {
             // do not filter its attributes
       return html
     }
   },
   onTagAttr: function (tag, name, value, isWhiteAttr) {
-        // allow href and src that match linkRegex
+    // allow href and src that match linkRegex
     if (isWhiteAttr && (name === 'href' || name === 'src') && linkRegex.test(value)) {
       return name + '="' + filterXSS.escapeAttrValue(value) + '"'
     }
-        // allow data uri in img src
+    // allow data uri in img src
     if (isWhiteAttr && (tag === 'img' && name === 'src') && dataUriRegex.test(value)) {
       return name + '="' + filterXSS.escapeAttrValue(value) + '"'
     }
   },
   onIgnoreTagAttr: function (tag, name, value, isWhiteAttr) {
-        // allow attr start with 'data-' or in the whiteListAttr
+    // allow attr start with 'data-' or in the whiteListAttr
     if (name.substr(0, 5) === 'data-' || window.whiteListAttr.indexOf(name) !== -1) {
-            // escape its value using built-in escapeAttrValue function
+      // escape its value using built-in escapeAttrValue function
       return name + '="' + filterXSS.escapeAttrValue(value) + '"'
     }
   }