diff --git a/DeathSocket/GridPainter.fs b/DeathSocket/GridPainter.fs
index 8172dd9..e961c71 100644
--- a/DeathSocket/GridPainter.fs
+++ b/DeathSocket/GridPainter.fs
@@ -17,7 +17,24 @@ namespace DeathSocket
         open ImageServices
         open System
 
-        // Not tested
+        /// <summary>
+        /// Uses the information included in spec to create a gridded image.
+        /// It then asynchronously saves it. Uses .jpg or .png formats only.
+        /// </summary>
+        /// <param name="spec">
+        /// The specification used to generate the new gridded image. The
+        /// ImageSpec is a discriminated union, consisting of a Brush, RGBA,
+        /// Skia or SkiaRGB spec.
+        /// </param>
+        /// <exeption cref="System.IO.FileNotFoundException">
+        /// If the file the grid is being applied to cannot be found,
+        /// a FileNotFoundException will be thrown.
+        /// </exception>
+        /// <remarks
+        /// Make sure the image, which is having the overlay added to it,
+        /// is not in use or needed by another program/process.
+        /// This is because it is locked whilst in this function.
+        /// </remarks>
         let applyGridToImageAsync (spec: ImageSpec) =
             async {
                 try
diff --git a/DeathSocket/ScratchPad.fsx b/DeathSocket/ScratchPad.fsx
index e14403b..c719984 100644
--- a/DeathSocket/ScratchPad.fsx
+++ b/DeathSocket/ScratchPad.fsx
@@ -1,6 +1,6 @@
-#r @"C:/Users/craig/.nuget/packages/skiasharp/1.60.3/lib/netstandard1.3/SkiaSharp.dll"
+// These two paths need adjusting to match your computer.
+#r @"C:/Users/craig/.nuget/packages/skiasharp/1.60.3/lib/netstandard1.3/SkiaSharp.dll"
 #r @"C:/Users/craig/.nuget/packages/skiasharp/1.60.3/lib/net45/SkiaSharp.dll"
-#r @"C:/Users/craig/.nuget/packages/skiasharp/1.60.3/lib/Xamarin.Mac20/SkiaSharp.dll"
 
 #load "Domain.fs"
 #load "Validation.fs"
@@ -83,4 +83,4 @@ SkiaRGB ({ originalPath = desktop + "/test.jpg"
            rows = 10
            columns = 10})
 |> GridPainter.applyGridToImageAsync
-|> Async.RunSynchronously
\ No newline at end of file
+|> Async.Start
\ No newline at end of file
diff --git a/TestCentre/LibraryTests.fs b/TestCentre/LibraryTests.fs
index 1ee1e20..8e37eb1 100644
--- a/TestCentre/LibraryTests.fs
+++ b/TestCentre/LibraryTests.fs
@@ -102,7 +102,6 @@
         open FsCheck.Xunit
         open DeathSocket
         open System.Drawing
-        open DeathSocket
         open DeathSocket.GridPainter
         open TestingHelpers
         open System.IO