message: Fixes typo from
diff: @@ -22,7 +22,7 @@ Want to know more about Emission? Read the [mobile](http://artsy.github.io/blog/
  ### Installation
  -1. Make sure to check out submodules with `git submodules update --init`
  +1. Make sure to check out submodules with `git submodule update --init`
  1. Install [Node.js][node], and [Yarn][yarn]: `$ brew install node yarn`
  1. Install file watcher used by React Native:
  * `$ brew install pcre`
  