update comments

DeathSocket/Domain.fs

@@ -107,8 +107,8 @@
 
         /// A Discriminated Union representing a type of image. The type refers
         /// to the graphics library used to read the image file.
-        /// The graphics library determines how the image is stored in memory
-        /// and the functions you can perform on it.
+        /// The graphics library determines how the image is read and
+        /// manipulated in memory and the functions you can perform on it.
         /// When creating an ImageType, pass in the file path of the image
         /// as a string. If you are on Windows or using Mono, SystemDrawing is
         /// the recommended choice. If you using Xamarin, SkiaSharp is the

DeathSocket/GridPainter.fs

@@ -75,8 +75,6 @@ namespace DeathSocket
         let scaleLineThickness (previewDimension: double) (actualDimension: double) (lineThickness: double) =
             setLineThickness previewDimension actualDimension lineThickness
 
-        // NOT TESTED
-
         /// <summary>
         /// Reads an (jpg or png) image and return its width and height as a
         /// tuple, (width * hight).