adding delay after user input to prevent jank as chart refreshes (cont)

js/translations.js

@@ -59,7 +59,7 @@ i18next
     clearTimeout(delayTimer);
     delayTimer = setTimeout(function() {
       updateContent();
-    }, 1000);
+    }, 500);
   });
 
   $('input[type = radio]').on('change', updateContent);