Updated Keymap (markdown)

Keymap.md

@@ -4,7 +4,9 @@ QMK keymaps are defined inside a C source file. The data structure is an array o
 
 ## Anatomy Of A `keymap.c`
 
-For this example we will walk through the [default Clueboard keymap](https://github.com/qmk/qmk_firmware/blob/master/keyboards/clueboard/keymaps/default/keymap.c). There are 3 main sections of a `keymap.c` file you'll want to concern yourself with:
+For this example we will walk through the [default Clueboard keymap](https://github.com/qmk/qmk_firmware/blob/master/keyboards/clueboard/keymaps/default/keymap.c). You'll find it helpful to open that file in another browser window so you can look at everything in context.
+
+There are 3 main sections of a `keymap.c` file you'll want to concern yourself with:
 
 * The Definitions
 * The Layer/Keymap Datastructure