diff --git a/testutils/src/main/java/com/amplifyframework/testutils/HubAccumulator.java b/testutils/src/main/java/com/amplifyframework/testutils/HubAccumulator.java
index 3dcb4fe92..665926af7 100644
--- a/testutils/src/main/java/com/amplifyframework/testutils/HubAccumulator.java
+++ b/testutils/src/main/java/com/amplifyframework/testutils/HubAccumulator.java
@@ -197,6 +197,9 @@ public HubEvent<?> awaitFirst(int amount, TimeUnit unit) {
         return events.isEmpty() ? null : events.get(0);
     }
 
+    /**
+     * Unsubscribe from the Hub.
+     */
     public void stop() {
         Amplify.Hub.unsubscribe(this.token.get());
     }