Merge pull request #57944 from jneczypor/OSDOCS-3875

OSDOCS-3875: Update Admin Roles

Author: jldohmann

modules/managing-dedicated-administrators.adoc

@@ -16,21 +16,16 @@ Administrator roles are managed using a `cluster-admin` or `dedicated-admin` gro
 .Procedure
 
 . Navigate to the *Cluster Details* page and *Access Control* tab.
-. Click the *Add user* button (first user only).
+. Select the *Cluster Roles and Access* tab and click *Add user*.
 . Enter the user name and select the group.
-. Click the *Add* button.
+. Click *Add user*.
 
 
 [NOTE]
 ====
 Adding a user to the `cluster-admin` group can take several minutes to complete.
 ====
 
-[NOTE]
-====
-Existing `dedicated-admin` users cannot also be added to the `cluster-admin` group. You must first remove the user from the `dedicated-admin` group before adding the user to the `cluster-admin` group.
-====
-
 [id="dedicated-administrators-removing-user_{context}"]
 == Removing a user