diff --git a/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs b/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs
index 58126736a1..a31e82007f 100644
--- a/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs
+++ b/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs
@@ -333,7 +333,7 @@ namespace BizHawk.Client.EmuHawk
 		}
 
 		/// <summary>
-		/// Using the current filter program, turn a emulator screen space coordinat to a window coordinate (suitable for lua layer drawing)
+		/// Using the current filter program, turn a emulator screen space coordinate to a window coordinate (suitable for lua layer drawing)
 		/// </summary>
 		public Point TransformPoint(Point p)
 		{
diff --git a/BizHawk.Client.EmuHawk/tools/Lua/Libraries/EmuLuaLibrary.Client.cs b/BizHawk.Client.EmuHawk/tools/Lua/Libraries/EmuLuaLibrary.Client.cs
index bd53d0dad2..9e1033c7ab 100644
--- a/BizHawk.Client.EmuHawk/tools/Lua/Libraries/EmuLuaLibrary.Client.cs
+++ b/BizHawk.Client.EmuHawk/tools/Lua/Libraries/EmuLuaLibrary.Client.cs
@@ -77,26 +77,23 @@ namespace BizHawk.Client.EmuHawk
 
 		[LuaMethodAttributes(
 			"bufferheight",
-			"Gets the visible height of the emu display surface, excluding the gameExtraPadding you've set. This function (the whole lot of them) should be renamed or refactored since the padding areas have got more complex."
+			"Gets the visible height of the emu display surface (the core video output). This excludes the gameExtraPadding you've set."
 		)]
 		public int BufferHeight()
 		{
-			var height = VideoProvider.BufferHeight;
-			var point = new System.Drawing.Point(0, height);
-
-			return GlobalWin.DisplayManager.TransformPoint(point).Y - BorderHeight();
+			return VideoProvider.BufferHeight;
+			//memento of original behaviour from scepheo's commit -- why?
+			//var point = new System.Drawing.Point(0, height);
+			//return GlobalWin.DisplayManager.TransformPoint(point).Y - BorderHeight();
 		}
 
 		[LuaMethodAttributes(
 			"bufferwidth",
-			"Gets the visible width of the emu display surface, excluding the gameExtraPadding you've set. This function (the whole lot of them) should be renamed or refactored since the padding areas have got more complex."
+			"Gets the visible width of the emu display surface (the core video output). This excludes the gameExtraPadding you've set."
 		)]
 		public int BufferWidth()
 		{
-			var width = VideoProvider.BufferWidth;
-			var point = new System.Drawing.Point(width, 0);
-
-			return GlobalWin.DisplayManager.TransformPoint(point).X - BorderWidth();
+			return VideoProvider.BufferWidth;
 		}
 
 		[LuaMethodAttributes(