Update feature flag documentation for compliance framework

doc/user/project/settings/index.md

@@ -44,6 +44,7 @@ Compliance framework labels do not affect your project settings.
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/276221) in GitLab 13.9.
 > - It's [deployed behind a feature flag](../../feature_flags.md), disabled by default.
+> - It can be enabled or disabled for a single group
 > - It's disabled on GitLab.com.
 > - It's not recommended for production use.
 > - To use it in GitLab self-managed instances, ask a GitLab administrator to [enable it](#enable-or-disable-custom-compliance-frameworks). **(PREMIUM)**
@@ -329,11 +330,11 @@ can enable it.
 To enable it:
 
 ```ruby
-Feature.enable(:ff_custom_compliance_frameworks)
+Feature.enable(:ff_custom_compliance_frameworks, Group.find(<group id>))
 ```
 
 To disable it:
 
 ```ruby
-Feature.disable(:ff_custom_compliance_frameworks)
+Feature.disable(:ff_custom_compliance_frameworks, Group.find(<group id>))
 ```