public repo edits for grammar and punctuation

Author: ktoliver

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

@@ -22,7 +22,7 @@ Generate the Certificate Signing Request (CSR) file, which Apple uses to generat
     ![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 default to selecting the first item in whatever category you have selected within Keychain Assistant and could be problematic if you’re on the Certificates section and the Apple Worldwide Developer Relations Certification Authority is not the first item in the list. Make sure you’re in the **"Certificates"** section and select **"Apple Worldwide Developer Relations Certification Authority"** before requesting a certificate.
+> 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.