md formatting

Author: codeallthethingz

README.md

@@ -6,7 +6,9 @@ Uses mostly brew.  You should be able to run this straight from a brand new mac
 
 ## Run it
 
+```bash
 bash -c "$(curl -fsSL https://raw.githubusercontent.com/codeallthethingz/brew-mac-setup/master/setup.sh)"
+```
 
 ## Modify it