diff --git a/en/application-dev/reference/apis/js-apis-cooperate.md b/en/application-dev/reference/apis/js-apis-cooperate.md
index 6a4517ab26a3a6a863e8e1a544d3d8d5989b9613..6a90edc0c791cc97d9a23be5a0a1e9cff9e68337 100644
--- a/en/application-dev/reference/apis/js-apis-cooperate.md
+++ b/en/application-dev/reference/apis/js-apis-cooperate.md
@@ -347,7 +347,7 @@ Disables listening for screen hopping events.
 | Name               | Type                                                             | Mandatory   | Description                          |
 | --------             | ----------------------------                                     | ----   | ----------------------------   |
 | type                 | string                                                           |  Yes   | Event type. The value is **cooperation**.        |
-| callback             | AsyncCallback<void> |  No | Callback to be unregistered. If this parameter is not specified, all callbacks registered by the current application will be unregistered.|
+| callback             | AsyncCallback\<void> |  No | Callback to be unregistered. If this parameter is not specified, all callbacks registered by the current application will be unregistered.|
 
 
 
diff --git a/en/application-dev/reference/apis/js-apis-storage-statistics.md b/en/application-dev/reference/apis/js-apis-storage-statistics.md
index d646fd424d8f7fa6c431a388879e9cf63678a632..86675315d63423d728d2db90afd6b049614ee80a 100644
--- a/en/application-dev/reference/apis/js-apis-storage-statistics.md
+++ b/en/application-dev/reference/apis/js-apis-storage-statistics.md
@@ -2,10 +2,9 @@
 
 The **storageStatistics** module provides APIs for obtaining storage space information, including the space of built-in and plug-in memory cards, space occupied by different types of data, and space of application data.
 
-> **NOTE**<br/>
+> **NOTE**
 >
-> - The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
-> - API version 9 is a canary version for trial use. The APIs of this version may be unstable.
+> The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 
 ## Modules to Import