diff --git a/api/@ohos.backgroundTaskManager.d.ts b/api/@ohos.backgroundTaskManager.d.ts
index dc32230199265a75ae54104aa77bacd5484b19c1..9a2040c32a13faa7adaba0404d72634662e05ab1 100644
--- a/api/@ohos.backgroundTaskManager.d.ts
+++ b/api/@ohos.backgroundTaskManager.d.ts
@@ -172,7 +172,7 @@ declare namespace backgroundTaskManager {
 
         /**
          * background continuous calculate mode, for example 3D render.
-         * only supported in portable computer device
+         * only supported in particular device
          *
          * @since 8
          * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask