1 files changed, 7 insertions, 1 deletions
diff --git a/core/java/android/app/ActivityClient.java b/core/java/android/app/ActivityClient.java
index 7b7b1efdb86b..668dc6b8ec63 100644
--- a/core/java/android/app/ActivityClient.java
+++ b/core/java/android/app/ActivityClient.java
@@ -454,7 +454,13 @@ public class ActivityClient {
         }
     }
 
-    /** Removes the snapshot of home task. */
+    /**
+     * Removes the outdated snapshot of the home task.
+     *
+     * @param homeToken The token of the home task, or null if you have the
+     *                  {@link android.Manifest.permission#MANAGE_ACTIVITY_TASKS} permission and
+     *                  want us to find the home task token for you.
+     */
     public void invalidateHomeTaskSnapshot(IBinder homeToken) {
         try {
             getActivityClientController().invalidateHomeTaskSnapshot(homeToken);