diff --git a/osu.Game/Online/RealtimeMultiplayer/IMultiplayerServer.cs b/osu.Game/Online/RealtimeMultiplayer/IMultiplayerServer.cs
index 565c07d0ec..3c92f70a01 100644
--- a/osu.Game/Online/RealtimeMultiplayer/IMultiplayerServer.cs
+++ b/osu.Game/Online/RealtimeMultiplayer/IMultiplayerServer.cs
@@ -17,6 +17,7 @@ namespace osu.Game.Online.RealtimeMultiplayer
         /// <summary>
         /// Request to leave the currently joined room.
         /// </summary>
+        /// <exception cref="NotJoinedRoomException">If the user is not in a room.</exception>
         Task LeaveRoom();
 
         /// <summary>
@@ -24,12 +25,15 @@ namespace osu.Game.Online.RealtimeMultiplayer
         /// </summary>
         /// <param name="userId">The new user which is to become host.</param>
         /// <exception cref="NotHostException">A user other than the current host is attempting to transfer host.</exception>
+        /// <exception cref="NotJoinedRoomException">If the user is not in a room.</exception>
         Task TransferHost(long userId);
 
         /// <summary>
         /// As the host, update the settings of the currently joined room.
         /// </summary>
         /// <param name="settings">The new settings to apply.</param>
+        /// <exception cref="NotHostException">A user other than the current host is attempting to transfer host.</exception>
+        /// <exception cref="NotJoinedRoomException">If the user is not in a room.</exception>
         Task ChangeSettings(MultiplayerRoomSettings settings);
 
         /// <summary>
@@ -37,12 +41,14 @@ namespace osu.Game.Online.RealtimeMultiplayer
         /// </summary>
         /// <param name="newState">The proposed new state.</param>
         /// <exception cref="InvalidStateChange">If the state change requested is not valid, given the previous state or room state.</exception>
+        /// <exception cref="NotJoinedRoomException">If the user is not in a room.</exception>
         Task ChangeState(MultiplayerUserState newState);
 
         /// <summary>
         /// As the host of a room, start the match.
         /// </summary>
         /// <exception cref="NotHostException">A user other than the current host is attempting to start the game.</exception>
+        /// <exception cref="NotJoinedRoomException">If the user is not in a room.</exception>
         Task StartMatch();
     }
 }