diff --git a/src/NoPELib/expansionsLib.py b/src/NoPELib/expansionsLib.py
index 62d64e6..30fb68f 100644
--- a/src/NoPELib/expansionsLib.py
+++ b/src/NoPELib/expansionsLib.py
@@ -66,28 +66,24 @@ class Expansion:
 
     @property
     def players(self):
-        """ Players that have access to this expansion. """
+        """ Players that have access to the expansion. """
         return self._manager.config[self._ID]["players"]
 
     @players.setter
     def players(self, newPlayers):
-        """ Players that have access to this expansion. """
-        self._manager.config[self._ID]["players"] = tuple(newPlayers)
-        self._manager.expansionPlayersChanged(self._ID)
+        self._manager.expansionPlayersChanged(self._ID, newPlayers)
 
     @players.deleter
     def players(self):
-        self._manager.config[self._ID]["players"] = ()
-        self._manager.expansionPlayersChanged(self._ID)
+        self._manager.expansionPlayersChanged(self._ID, ())
 
     @property
     def tags(self):
-        """ Players that have access to this expansion. """
+        """ Tags of the expansion. """
         return self._manager.config[self._ID]["tags"]
 
     @tags.setter
     def tags(self, newPlayers):
-        """ Players that have access to this expansion. """
         self._manager.config[self._ID]["tags"] = tuple(newPlayers)
 
     @tags.deleter
@@ -96,9 +92,6 @@ class Expansion:
 
     @abc.abstractmethod
     def step(self, action):
-        """
-        Call close if an error is thrown
-        """
         raise NotImplementedError
 
     @abc.abstractmethod