diff --git a/SlicerConfiguration/UIFields/MultilineStringField.cs b/SlicerConfiguration/UIFields/MultilineStringField.cs
index 1c8660724..5322cdb0d 100644
--- a/SlicerConfiguration/UIFields/MultilineStringField.cs
+++ b/SlicerConfiguration/UIFields/MultilineStringField.cs
@@ -57,6 +57,14 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 				}
 			};
 
+			editWidget.ActualTextEditWidget.TextChanged += (s, e) =>
+			{
+				UiThread.RunOnIdle(() =>
+				{
+					editWidget.ActualTextEditWidget.Height = Math.Min(editWidget.ActualTextEditWidget.Printer.LocalBounds.Height, 500);
+				});
+			};
+
 			this.Content = editWidget;
 		}
 
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index dbe5a9eb4..77cd4776f 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit dbe5a9eb4460cc7950927a51304ef2678e1b872b
+Subproject commit 77cd4776f9bb1742be68101806b6aa04f0484727