Correct Client ID instructions

Author: Silex

src/pages/selfhosted/identity-providers.mdx

@@ -645,7 +645,7 @@ In this step, we will create and configure NetBird application in azure AD.
 
 - Under `Authorized client Applications`, click on `+ add a client application` and enter the following:
 - Fill in the form with the following values and click `Add application`
-- Client ID: same as your Application ID URI minus the `api://`
+- Client ID: same as your Application ID URI minus the starting `api://` and the ending `/api`
 
 <p>
     <img src="/docs-static/img/integrations/identity-providers/self-hosted/azure-add-application-scope.png" alt="high-level-dia" className="imagewrapper-big"/>