diff --git a/src/util/util.ts b/src/util/util.ts
index ef2fa614cc..a8d3b46bb2 100644
--- a/src/util/util.ts
+++ b/src/util/util.ts
@@ -50,7 +50,8 @@ export function debounce(fn: Function, wait: number, immediate: boolean = false)
 }
 
 /**
- * Rewrites an absolute URL so it works across file and http based engines.
+ * @hidden
+ * Rewrites an absolute URL so it works across file and http based engines
  */
 export function normalizeURL(url: string): string {
   const ionic = (<any>window)['Ionic'];