diff --git a/README.md b/README.md
index d1b5defe2c..259a1f8b6c 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,10 @@ From your cloned directory:
 This will create symlinks for all config files in your home directory. You can
 safely run this file multiple times to update.
 
+Note that there is configuration for `zsh` so if you'd like to switch your shell from the default `bash` to `zsh`, on OS X you do:
+
+    chsh -s /bin/zsh
+
 Track thoughtbot/dotfiles
 -------------------------