Update reference-connect-faq.yml

Updating SLD statement according with Bug ID 725423 which cannot be fixed.

Author: NuAlex

articles/active-directory/hybrid/reference-connect-faq.yml

@@ -143,7 +143,7 @@ sections:
       - question: |
           Are single label domains (SLDs) supported?  
         answer: |
-          While we strongly recommend against this network configuration ([see article](https://support.microsoft.com/help/2269810/microsoft-support-for-single-label-domains)), using Azure AD Connect sync with a single label domain is supported, as long as the network configuration for the single level domain is functioning correctly.
+          While we strongly recommend against this network configuration ([see article](https://support.microsoft.com/help/2269810/microsoft-support-for-single-label-domains)), using Azure AD Connect sync with a single label domain is supported, as long as the network configuration for the single level domain is functioning correctly. In SLD scenarios where Active Directory NetBIOS domain name different from the FQDN domain name it's unsupported to install Azure AD Connect.
           
       - question: |
           Are Forests with disjoint AD domains supported?