Merge pull request #313648 from MicrosoftDocs/repo_sync_working_branch

Confirm merge from repo_sync_working_branch to main to sync with https://github.com/MicrosoftDocs/azure-docs (branch main)

Author: PhilKang0704

articles/api-management/cors-policy.md

@@ -82,12 +82,16 @@ The `cors` policy adds cross-origin resource sharing (CORS) support to an operat
 |----------|-----------------|--------------|-------------|
 |header|Specifies a header name.|At least one `header` element is required in `allowed-headers` if that section is present.|N/A|
 
+The value `*` indicates all headers.
+
 ### expose-headers elements
 
 |Name|Description|Required|Default|
 |----------|-----------------|--------------|-------------|
 |header|Specifies a header name.|At least one `header` element is required in `expose-headers` if that section is present.|N/A|
 
+The value `*` indicates all headers.
+
 ## Usage
 
 - [**Policy sections:**](./api-management-howto-policies.md#understanding-policy-configuration) inbound