diff --git a/_data/sidebar.yml b/_data/sidebar.yml
index 0bcb24a00f..5dc6fc9637 100644
--- a/_data/sidebar.yml
+++ b/_data/sidebar.yml
@@ -535,7 +535,7 @@
 
 - sbSecId: 1
   title: Interstitial Ads
-  link: /features/interstitialAds.html
+  link: /features/InterstitialAds.html
   isHeader: 0
   isSectionHeader: 0
   sectionTitle: