Merge pull request #201216 from usvoyager/patch-2

Update resource-name-rules.md

Author: PRMerger18

articles/azure-resource-manager/management/resource-name-rules.md

@@ -209,7 +209,7 @@ In the following tables, the term alphanumeric refers to:
 > [!div class="mx-tableFixed"]
 > | Entity | Scope | Length | Valid Characters |
 > | --- | --- | --- | --- |
-> | communicationServices | global | 1-63 | Alphanumerics and hyphens.<br><br>Can't use underscores. |
+> | communicationServices | global | 1-63 | Alphanumerics and hyphens.<br><br>Can't start or end with hyphen.<br><br>Can't use underscores. |
 
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