docs: extend: authorization.md: add a note about confidential stuff in Err
@@ -219,7 +219,7 @@ Name | Type | Description
--------|--------|----------------------------------------------------------------------------------
Allow | bool | Boolean value indicating whether the request is allowed or denied
Msg | string | Authorization message (will be returned to the client in case the access is denied)
-Err | string | Error message (will be returned to the client in case the plugin encounter an error)
+Err | string | Error message (will be returned to the client in case the plugin encounter an error. The string value supplied may appear in logs, so should not include confidential information)
### Response authorization
@@ -247,4 +247,4 @@ Name | Type | Description
--------|--------|----------------------------------------------------------------------------------
Allow | bool | Boolean value indicating whether the response is allowed or denied
Msg | string | Authorization message (will be returned to the client in case the access is denied)
-Err | string | Error message (will be returned to the client in case the plugin encounter an error)
+Err | string | Error message (will be returned to the client in case the plugin encounter an error. The string value supplied may appear in logs, so should not include confidential information)
