update docs

Signed-off-by: NAnnie_wang <annie.wangli@huawei.com>

en/application-dev/reference/apis/js-apis-securityLabel.md

 # Security Label
 
-The secuityLabel module provides APIs to manage file data security levels, including obtaining and setting file data security levels.
-
 > **NOTE**<br/>
 > The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 
+The **secuityLabel** module provides APIs to manage file data security levels, including obtaining and setting file data security levels.
+
 ## Modules to Import
 
 ```js
@@ -13,7 +13,7 @@ import securityLabel from '@ohos.securityLabel';
 
 ## Usage
 
-Before using the APIs provided by this module to perform operations on a file or directory, obtain the path of the application sandbox. For details, see [getOrCreateLocalDir of the Context module](js-apis-Context.md).
+Before using the APIs provided by this module to perform operations on a file or directory, obtain the path of the application sandbox as follows:
 
 ```js
 import featureAbility from '@ohos.ability.featureAbility';

en/application-dev/reference/apis/js-apis-storage-statistics.md

 # App Storage Statistics
 
-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/>
 >
 > - 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 **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.
+
 ## Modules to Import
 
 ```js