diff --git a/ClassicalSharp/Rendering/MapRenderer.cs b/ClassicalSharp/Rendering/MapRenderer.cs
index 8ddaacf05..b447de8c2 100644
--- a/ClassicalSharp/Rendering/MapRenderer.cs
+++ b/ClassicalSharp/Rendering/MapRenderer.cs
@@ -235,6 +235,7 @@ namespace ClassicalSharp {
 			int adjViewDistSqr = ( game.ViewDistance + 14 ) * ( game.ViewDistance + 14 );
 			chunksTarget += deltaTime < 0.034 ? 1 : -1; // build more chunks if 30 FPS or over, otherwise slowdown.
 			Utils.Clamp( ref chunksTarget, 4, 12 );
+			Console.WriteLine( (deltaTime * 1000) + ":" + chunksTarget );
 			
 			for( int i = 0; i < chunks.Length; i++ ) {
 				ChunkInfo info = chunks[i];
diff --git a/readme.md b/readme.md
index 336f4818b..ac9762bc3 100644
--- a/readme.md
+++ b/readme.md
@@ -38,7 +38,7 @@ Note that the first time you run the launcher, a dialog box will pop up saying:
 Some points to note:
 * If the server has disabled hacks, key combinations such as fly and speed will not do anything.
 * Press F6 to change view distance. A smaller number of visible chunks can improve performance.
-* Press F7 to toggle VSync on (minimises CPU usage) or off (maximises chunk loading speed).
+* Press F7 to toggle VSync on or off. (on minimises CPU usage)
 
 #### Client commands
 * To see a list of all built in commands, type `/client commands`.