diff --git a/api/@ohos.app.ability.application.d.ts b/api/@ohos.app.ability.application.d.ts
index 737f5154107ccdbd92685bd0bf5264de028bc05d..37e58fa584adf1b195dba1ea5be8e3b2e3ede103 100644
--- a/api/@ohos.app.ability.application.d.ts
+++ b/api/@ohos.app.ability.application.d.ts
@@ -122,7 +122,7 @@ declare namespace application {
    * @stagemodelonly
    * @since 20
    */
-  export function promoteCurrentToCandidateMasterProcess(insertToHead : boolean): Promise<void>;
+  export function promoteCurrentToCandidateMasterProcess(insertToHead: boolean): Promise<void>;
 
   /**
    * Revoke current process as a candidate master process.