Updated Adding support for a new Mod (markdown)

Adding-support-for-a-new-Mod.md

@@ -1,15 +1,5 @@
 Crafting Guide represents all its data in the form of simple configuration files and images.  Anyone with a text editor can easily create everything needed to add a new mod.  Here's a guide to how create everything from scratch.
 
-## 0. About Slugs
-
-This is a term which comes up a lot in Crafting Guide, so it's best to be clear about these up front.  A slug is a version of a thing's name which has any troublesome characters removed, and which has been cleaned up for easy use in programs.  These are generally created with the following steps:
-
-1. Replace any non-alphanumeric character with an `_`
-2. Replace any duplicated `_` with a single one
-3. Convert all letters to lowercase.
-
-In other words, you'd convert something like "Oak Wood Planks" to "oak_wood_planks" or "(Empty) Fuel Can" to "empty_fuel_can".
-
 ## 1. Set up Minecraft
 
 The easiest way to access all the raw information is through the game itself.  Start by installing both the mod you want to add and [NotEnoughItems](http://chickenbones.net/Pages/links.html) (along with its dependency, CodeChickenCore).  Then, launch Minecraft, and create a new world for yourself.
@@ -20,7 +10,7 @@ Create a fork of this repo in which to make your changes.  If you're not sure ho
 
 ## 3. Create a new directory
 
-Open up your clone of the Crafting Guide repository, and create a new directory: `./src/data/<mod_slug>/` where the `mod_slug` is the slug generated from the Mod's official name.
+Open up your clone of the Crafting Guide repository, and create a new directory: `./src/data/<mod_slug>/` where the `mod_slug` is the slug generated from the Mod's official name (see: [About Slugs](https://github.com/andrewminer/crafting-guide/wiki/About-Slugs)).
 
 ## 2. Export the images