[meta] Update README

README.md

@@ -6,13 +6,17 @@ This uses [Ansible](https://github.com/ansible/ansible) to provision new
 machines and [stow](http://www.gnu.org/software/stow/) for managing conf
 files that can be symlinked.
 
-# Requirements
+# Usage
 
-- [Ansible](https://github.com/ansible/ansible)
+First, install [Xcode](https://itunes.apple.com/us/app/xcode/id497799835?mt=12)
+and the Command Line Tools.
 
-# Usage
+``` shell
+sudo xcode-select --install
+open 'https://itunes.apple.com/us/app/xcode/id497799835?mt=12'
+```
 
-On a fresh install, the bootstrap script installs Homebrew and Ansible, clones
+Then run the bootstrapping script. This installs Homebrew and Ansible, clones
 the dotfiles repo into `~/Dropbox/dotfiles`, and creates a symlink to that repo
 in `~/.dotfiles`.
 
@@ -20,7 +24,9 @@ in `~/.dotfiles`.
 curl -L https://raw.github.com/kejadlen/dotfiles/master/bootstrap.sh | sh
 ```
 
+Now ansible can be run to set up mostly everything.
+
 ``` shell
-cd ~/.dotfiles/ansible && /usr/local/bin/ansible-playbook main.yml --ask-sudo-pass
+cd ~/.dotfiles/ansible && ansible-playbook main.yml --ask-sudo-pass
 rm -f ~/*.retry
 ```