diff --git a/docs/html/training/in-app-billing/preparing-iab-app.jd b/docs/html/training/in-app-billing/preparing-iab-app.jd
index 491a79dc8bc12..de2dac5c0cde6 100644
--- a/docs/html/training/in-app-billing/preparing-iab-app.jd
+++ b/docs/html/training/in-app-billing/preparing-iab-app.jd
@@ -133,6 +133,7 @@ mHelper.startSetup(new IabHelper.OnIabSetupFinishedListener() {
 <pre>
 &#64;Override
 public void onDestroy() {
+   super.onDestroy();
    if (mHelper != null) mHelper.dispose();
    mHelper = null;
 }