diff --git a/bundle.js b/bundle.js
index c7ab7f0..ef89179 100644
--- a/bundle.js
+++ b/bundle.js
@@ -8,8 +8,12 @@ $(function() {
 
         var translations = []
         data['translations'].forEach(function(item) {
+          var commentary = ''
+          if (item['commentary']) {
+            commentary = ' (' + item['commentary'] + ')'
+          }
           translations.push(
-            '<li>' + item['translation'] + ' (' + item['commentary'] + ')</li>'
+            '<li>' + item['translation'] + commentary + '</li>'
           )
         })