Update howto-legacy-exchange-portal.md

Author: derekolo

articles/internet-peering/howto-legacy-exchange-portal.md

@@ -41,7 +41,8 @@ As an Internet Exchange Provider, you can create a direct peering request by [Cr
 
 * Select your ASN in the **PeerASN** box.
 
->[!IMPORTANT]  You can only choose an ASN with ValidationState as Approved before you submit a peering request. If you just submitted your PeerAsn request, wait for 12 hours or so for ASN association to be approved. If the ASN you select is pending validation, you'll see an error message. If you don't see the ASN you need to choose, check that you selected the correct subscription. If so, check if you have already created PeerAsn by using **[Associate Peer ASN to Azure subscription](https://go.microsoft.com/fwlink/?linkid=2129592)**.
+>[!IMPORTANT]  
+    You can only choose an ASN with ValidationState as Approved before you submit a peering request. If you just submitted your PeerAsn request, wait for 12 hours or so for ASN association to be approved. If the ASN you select is pending validation, you'll see an error message. If you don't see the ASN you need to choose, check that you selected the correct subscription. If so, check if you have already created PeerAsn by using **[Associate Peer ASN to Azure subscription](https://go.microsoft.com/fwlink/?linkid=2129592)**.
 
 * Select **Next: Configuration** to continue.