diff --git a/java/advanced/BannerRecyclerViewExample/app/src/main/java/com/google/android/gms/example/bannerrecyclerviewexample/MainActivity.java b/java/advanced/BannerRecyclerViewExample/app/src/main/java/com/google/android/gms/example/bannerrecyclerviewexample/MainActivity.java
index 76478061f..bdae88630 100644
--- a/java/advanced/BannerRecyclerViewExample/app/src/main/java/com/google/android/gms/example/bannerrecyclerviewexample/MainActivity.java
+++ b/java/advanced/BannerRecyclerViewExample/app/src/main/java/com/google/android/gms/example/bannerrecyclerviewexample/MainActivity.java
@@ -107,6 +107,10 @@ protected void onDestroy() {
     private void addBannerAds() {
         // Loop through the items array and place a new banner ad in every ith position in
         // the items List.
+
+        // Using < instead of <= prevents the loop from accessing an index equal to the size of the list, avoiding IndexOutOfBoundsException by staying within the list's bounds.
+        // for (int i = 0; i < recyclerViewItems.size(); i += ITEMS_PER_AD) {
+        
         for (int i = 0; i <= recyclerViewItems.size(); i += ITEMS_PER_AD) {
             final AdView adView = new AdView(MainActivity.this);
             adView.setAdSize(AdSize.BANNER);