Updated references

Changed references to `cobalt2.zsh-theme` from `cobalt1.zsh-theme`

readme.md

@@ -4,12 +4,12 @@ Two things for lovers of the [Sublime Text Theme](https://github.com/wesbos/coba
 
 ![](http://wes.io/Ub3k/content)
 
-`cobalt2.itermcolors` is for anyone who uses iTerm2 and wants the colours. The `cobalt1.zsh-theme` is the prompt layout for zsh users. 
+`cobalt2.itermcolors` is for anyone who uses iTerm2 and wants the colours. The `cobalt2.zsh-theme` is the prompt layout for zsh users. 
 
 They work well together! You will need to install the patched powerline font as well: <https://github.com/Lokaltog/powerline-fonts>
 
 ####Step-by-step installation
-1. Drop the `cobalt1.zsh-theme` file in to the `~/.oh-my-zsh/themes/` directory.
+1. Drop the `cobalt2.zsh-theme` file in to the `~/.oh-my-zsh/themes/` directory.
 2. Open up your ZSH preferences at `~/.zshrc` and change the theme variable to `ZSH_THEME="cobalt2"`.
 3. In iTerm2 access the *Preferences* pane.
 4. Under the *Colors* tab import the `cobalt2.itermcolors` file via the *Load Presets* drop-down.