fix small error

adorton-adobe · adorton-adobe · commit e1ad410b2157 · 2022-12-21T12:40:55.000-07:00
diff --git a/en/user-manual/advanced_configuration.md b/en/user-manual/advanced_configuration.md
@@ -706,7 +706,7 @@ directory_users:
     # ... group mappings, etc
   additional_groups:
     - source: "AEM-ACL-(.+)"
-      target: "AEM-(\\1)"
+      target: "AEM-\\1"
 ```
 
 `additional_groups` contains a list of additional group rules. `source`
