diff --git a/Facepunch.Steamworks/SteamUserStats.cs b/Facepunch.Steamworks/SteamUserStats.cs
index 163de57..0b9dc9f 100644
--- a/Facepunch.Steamworks/SteamUserStats.cs
+++ b/Facepunch.Steamworks/SteamUserStats.cs
@@ -101,7 +101,7 @@ namespace Steamworks
 		public static bool IndicateAchievementProgress( string achName, int curProg, int maxProg )
 		{
 			if ( string.IsNullOrEmpty( achName ) )
-				throw new ArgumentNullException( "Achievement string is null or void " );
+				throw new ArgumentNullException( "Achievement string is null or empty" );
 
 			if ( curProg >= maxProg )
 				throw new ArgumentException( $" Current progress [{curProg}] arguement toward achievement greater than or equal to max [{maxProg}]" );
diff --git a/Facepunch.Steamworks/Structs/Lobby.cs b/Facepunch.Steamworks/Structs/Lobby.cs
index f1bc754..f9f8b98 100644
--- a/Facepunch.Steamworks/Structs/Lobby.cs
+++ b/Facepunch.Steamworks/Structs/Lobby.cs
@@ -204,8 +204,8 @@ namespace Steamworks.Data
 
 		/// <summary>
 		/// [SteamID variant]
-		/// Allows the owner to set the game server associated with the lobby. Triggers a 
-		/// LobbyGameCreated_t callback.
+		/// Allows the owner to set the game server associated with the lobby. Triggers the 
+		/// Steammatchmaking.OnLobbyGameCreated event.
 		/// </summary>
 		public void SetGameServer( SteamId steamServer )
 		{
@@ -217,8 +217,8 @@ namespace Steamworks.Data
 
 		/// <summary>
 		/// [IP/Port variant]
-		/// Allows the owner to set the game server associated with the lobby. Triggers a 
-		/// LobbyGameCreated_t callback.
+		/// Allows the owner to set the game server associated with the lobby. Triggers the 
+		/// Steammatchmaking.OnLobbyGameCreated event.
 		/// </summary>
 		public void SetGameServer( string ip, ushort port )
 		{