Update rule-hierarchy.md

vhorne · web-flow · commit ea223331bb05 · 2022-11-17T13:17:08.000-08:00
diff --git a/articles/firewall-manager/rule-hierarchy.md b/articles/firewall-manager/rule-hierarchy.md
@@ -7,7 +7,7 @@ ms.service: firewall-manager
 ms.topic: how-to
 ms.date: 11/17/2022
 ms.author: victorh
-ms.custom FY23-content-maintenance
+ms.custom: FY23 content-maintenance
 ---
 
 # Use Azure Firewall policy to define a rule hierarchy
