diff --git a/DeathSocketCLI/Validation.fs b/DeathSocketCLI/Validation.fs
index 1225133..c0476a3 100644
--- a/DeathSocketCLI/Validation.fs
+++ b/DeathSocketCLI/Validation.fs
@@ -32,6 +32,8 @@
                 (String.Concat("The colour specifed is invalid.\n",
                     "Please use the 'list-colours' command to see what you can use."))
 
+    (* This function creates a consistent line width amoung different image
+    sizes. Use this when the user has no means to specify a pen width. *)
     let setPenWidth imgWidth imgHeight =
             let width = float32 imgWidth
             let height = float32 imgHeight
diff --git a/TestCentre/ConsoleTests.fs b/TestCentre/ConsoleTests.fs
index 056847c..32f4d0c 100644
--- a/TestCentre/ConsoleTests.fs
+++ b/TestCentre/ConsoleTests.fs
@@ -59,7 +59,7 @@
             (setPenWidth (Random().Next()) (Random().Next())) > 0.0f
 
         [<Property>]
-        let ``Can build the intended default image specification`` () =
+        let ``Can build the intended default BrushSpec`` () =
             let defaultSpec =
                 { originalPath = loadPath
                   savePath = savePath
@@ -71,7 +71,7 @@
             defaultSpec = spec
 
         [<Property>]
-        let ``Can build an image specification as intended`` () =
+        let ``Can build a BrushSpec as intended`` () =
             let colourString = randomColourString ()
             let brush = parseColour colourString
             let pWidth = float32 (Random().Next())