fixed callout

src/_help/publish-documentation/documentation-access-management.md

@@ -30,7 +30,7 @@ Inviting a colleague or teammate to become a member of [your organization](/help
 ### Invite external guests
 
 > Only admin and maintainer roles can invite external guests.
-> { :info}
+> {: .info}
 
 To invite people from outside of your organization to access a private documentation, click on the `Share Access` button, which is visible in the settings of that documentation.