diff --git a/server/src/uds/core/auths/authenticator.py b/server/src/uds/core/auths/authenticator.py
index 8bb00ec9d..b78acfd6a 100644
--- a/server/src/uds/core/auths/authenticator.py
+++ b/server/src/uds/core/auths/authenticator.py
@@ -662,13 +662,14 @@ class Authenticator(Module):
 
         This will be invoked from admin interface, when admin wants to create a new group.
 
-        modified groupData will be used to store values at database.
+        modified group_data will be used to store values at database.
 
         Args:
-            groupData: Contains data received from user directly, that is a dictionary
+            group_data: Contains data received from interface directly, that is a dictionary
                        with at least: name, comments and state. (State.ACTIVE, State.INACTIVE)
                        This is an in/out parameter, so you can modify, for example,
                        **comments**
+                       (it's the "fields" from the admin form)
 
         Returns:
             Raises an exception if things didn't went fine,
diff --git a/server/src/uds/core/services/service.py b/server/src/uds/core/services/service.py
index c8e9c5106..367ff1517 100644
--- a/server/src/uds/core/services/service.py
+++ b/server/src/uds/core/services/service.py
@@ -294,7 +294,7 @@ class Service(Module):
                     if self.userservices_limit == 0:
                         self.userservices_limit = consts.UNLIMITED
                 elif callable(services_limit):
-                    self.userservices_limit = services_limit()
+                    self.userservices_limit = typing.cast(collections.abc.Callable[..., int], services_limit)()
                 else:
                     self.userservices_limit = consts.UNLIMITED
             except Exception: