Update to ref users

Author: clairekinde11

src/content/docs/build/organizations/self-serve-portal-per-org.mdx

@@ -32,7 +32,8 @@ If an organization requires a unique setup for the self-service portal, you can
 3. If you don't have Advanced organizations switched on, enable this now.
 4. Switch on the **Override environment settings** option.
    ![Switch to override](https://imagedelivery.net/skPPZTHzSlcslvHjesZQcQ/9461ff2f-0c8e-4f2a-0dbb-f6db420bb400/public)
-5. Select the options you want to be avaialble in the self-serve portal for this org. Note that individual access is still controlled via roles.
+5. Select the options you want to be available in the self-serve portal for this org. 
+5. Select any additional changes you want to make for members of the org (users) to access. Note that individual access is still controlled via system roles.
 6. Select **Save**.
 
 Learn more about [setting up the self-serve portal for an org](/build/set-up-options/self-serve-portal-for-orgs/).