diff --git a/engineering-guide/accounts-and-groups.md b/engineering-guide/accounts-and-groups.md
index 6aeb64a..3d7d99a 100644
--- a/engineering-guide/accounts-and-groups.md
+++ b/engineering-guide/accounts-and-groups.md
@@ -25,10 +25,13 @@ To be able to easily distinguish between the different account types, a user sha
 
   | Unix Group         | Accont Type |
   |--------------------|-------------|
-  | `unx-lx_users`     | normal user and administrator acccounts |
+  | `unx-lx_users`     | normal user | 
+  | `unx-lx_adm_users`     | normal user and administrator acccounts |
   | `unx-lx_gac_users` | global accounts |
   | `unx-lx_ext_users` | external accounts |
+  | `unx-lx_ext_adm_users` | external adm accounts |
   | `unx-lx_e_users`   | experiment accounts |
+  | `unx-lx_svc_users`   | service accounts accounts |
 
 ```{note}
 unx-lx_ext_users - this group does not yet contain all ext accounts (only the ones that are currently in the scope of IAM - this should be fixed by end of January 2025