diff --git a/core/java/android/content/pm/PackageInstaller.java b/core/java/android/content/pm/PackageInstaller.java
index cb988dfdb2039..30fd77ca467c8 100644
--- a/core/java/android/content/pm/PackageInstaller.java
+++ b/core/java/android/content/pm/PackageInstaller.java
@@ -2991,6 +2991,10 @@ public class PackageInstaller {
* The update ownership enforcement can only be enabled on initial installation. Set
* this to {@code true} on package update is a no-op.
*
+ * Apps may opt themselves out of update ownership by setting the
+ * android:alllowUpdateOwnership
+ * attribute in their manifest to false.
+ *
* Note: To enable the update ownership enforcement, the installer must have the
* {@link android.Manifest.permission#ENFORCE_UPDATE_OWNERSHIP ENFORCE_UPDATE_OWNERSHIP}
* permission.