diff --git a/apps/ionic-demo/src/polyfills.ts b/apps/ionic-demo/src/polyfills.ts
index 687c404..809ad60 100644
--- a/apps/ionic-demo/src/polyfills.ts
+++ b/apps/ionic-demo/src/polyfills.ts
@@ -41,9 +41,9 @@
  *
  * The following flags will work for all browsers.
  *
- * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
- * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
- * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch for requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch for onProperty events
+ * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch for specified eventNames
  *
  *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
  *  with the following flag, it will bypass `zone.js` patch for IE/Edge