Update index.md

Signed-off-by: Justin Kenyon <kenyonj@github.com>

Author: kenyonj

topics/computercraft-tweaked/index.md

@@ -4,7 +4,7 @@ display_name: "CC: Tweaked"
 github_url: https://github.com/cc-tweaked/CC-Tweaked
 url: https://tweaked.cc/
 logo: computercraft-tweaked.png
-related: computercraft,lua,minecraft,minecraft-mod
+related: computercraft, lua, minecraft, minecraft-mod
 topic: computercraft-tweaked
 released: November 15, 2017
 short_description: "CC: Tweaked is a fork of ComputerCraft, adding programmable computers, turtles and more to Minecraft."