diff --git a/en/application-dev/reference/apis/js-apis-data-relationalStore.md b/en/application-dev/reference/apis/js-apis-data-relationalStore.md
index 218572271420e03a9ff960879087a818751e4360..3ec285d8d35cb3d04cec0b20c8698f10ae30e609 100644
--- a/en/application-dev/reference/apis/js-apis-data-relationalStore.md
+++ b/en/application-dev/reference/apis/js-apis-data-relationalStore.md
@@ -3188,7 +3188,7 @@ try {
 
 off(event:'dataChange', type: SubscribeType, observer: Callback<Array<string>>): void
 
-Unregisters the observer of the specified type from the RDB store. This API uses a callback to return the result.
+Unregisters the observer of the specified type from the RDB store.
 
 **System capability**: SystemCapability.DistributedDataManager.RelationalStore.Core