Add defaults and improve the description

Author: NataliaIvakina

modules/ROOT/pages/configuration/configuration-settings.adoc

@@ -157,11 +157,11 @@ Configuration settings are used for custom cloud storage and host authority endp
 [frame="topbot", stripes=odd, grid="cols", cols="<1s,<4"]
 |===
 |Description
-a|Azure blob storage endpoint suffix.
+a|Azure blob storage endpoint suffix. You need to change this if you are not using Azure public cloud (e.g., if you are using Azure Government).
 |Valid values
 a|A string.
 |Default value
-m|++++++
+m|+++blob.core.windows.net+++
 |===
 
 
@@ -177,7 +177,7 @@ a|Azure authority host endpoint (only required for certain methods of authentica
 |Valid values
 a|A string.
 |Default value
-m|++++++
+m|+++""+++
 |===