Merge pull request #47454 from MicrosoftDocs/Grace-MacJones-MSFT-patch-1

(Azure CXP) Added a note on how CX can avoid certificate error

Author: ktoliver

includes/notification-hubs-enable-apple-push-notifications.md

@@ -20,6 +20,10 @@ Generate the Certificate Signing Request (CSR) file, which Apple uses to generat
 1. Select **Keychain Access**, expand **Certificate Assistant**, and then select **Request a Certificate from a Certificate Authority**.
 
     ![Use Keychain Access to request a new certificate](./media/notification-hubs-enable-apple-push-notifications/notification-hubs-request-cert-from-ca.png)
+    
+> [!NOTE]
+> OS X by default selects the first item in the category that you have selected in the Keychain Access tool. This might be problematic  if you’re in the **Certificates** section and **Apple Worldwide Developer Relations Certification Authority** is *not* the first item in the list. Before you request a certificate, be sure that you’re in the **Certificates** section, and then select **Apple Worldwide Developer Relations Certification Authority**.
+
 
 1. Select your **User Email Address**, enter your **Common Name** value, make sure that you specify **Saved to disk**, and then select **Continue**. Leave **CA Email Address** blank as it isn't required.