Update UKG Ready OAuth client credentials account groups description

connection-guides/hris/ukgready-oauth-client-credentials.mdx

@@ -167,6 +167,16 @@ If you've been directed to StackOne to integrate with UKG Ready (OAuth Client Cr
     - **Secret:** Click on the `GENERATE SECRET` button
     - **Security Profile:** Select a Security Profile within your UKG Ready instance that has permissions for all of the data you wish for this integration to read and/or modify.
     - **Account Groups:** Click on the `List Group` icon to select one of the groups that has been assigned the required permissions.
+      - Select the "System" group type called "All Company Employees" (this is a built-in, non-editable group that includes all company employees).
+
+        <Frame>
+          <img
+            className="rounded-md"
+            style={{ margin:"0 auto",border:"1px solid #efefef" }}
+            alt="Account Groups - System Group Selection"
+            src="/images/ukgready/22.png"
+          />
+        </Frame>
 
     <Accordion title="Permissions required within the Security Profile">
       <Steps>