diff --git a/api/kiwi_vpn_api/routers/admin.py b/api/kiwi_vpn_api/routers/admin.py
index 758b100..ca0ad6e 100644
--- a/api/kiwi_vpn_api/routers/admin.py
+++ b/api/kiwi_vpn_api/routers/admin.py
@@ -57,6 +57,7 @@ async def create_initial_admin(
     if current_config is None:
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST)
 
+    # fail if any user exists
     with Connection.session as db:
         if db.exec(select(User).limit(1)).first() is not None:
             raise HTTPException(status_code=status.HTTP_409_CONFLICT)