Link fixed.

Author: v-rajagt

articles/iot-central/core/howto-manage-users-roles-with-rest-api.md

@@ -181,7 +181,7 @@ The response to this request looks like the following example. The role value id
 }
 ```
 
-You can also add a service principal user which is useful if you need to use service principal authentication for REST API calls. To learn more, see [Add or update a service principal user](/rest/api/iotcentral/2022-05-31dataplane/users/create#add-or-update-a-service-principal-user).
+You can also add a service principal user which is useful if you need to use service principal authentication for REST API calls. To learn more, see [Add or update a service principal user](/rest/api/iotcentral/2022-07-31dataplane/users/create#add-or-update-a-service-principal-user).
 
 ### Change the role of a user
 
@@ -228,4 +228,4 @@ DELETE https://{your app subdomain}.azureiotcentral.com/api/users/user-001?api-v
 
 ## Next steps
 
-Now that you've learned how to manage users and roles with the REST API, a suggested next step is to [How to use the IoT Central REST API to manage organizations.](howto-manage-organizations-with-rest-api.md)
+Now that you've learned how to manage users and roles with the REST API, a suggested next step is to [How to use the IoT Central REST API to manage organizations.](howto-manage-organizations-with-rest-api.md)