1diff --git a/README.markdown b/README.markdown
2index b7d304116c2cd62a7d8f923f0095165f4fac6626..ca18bc9bae9bc7b72b8b2c0133e5ce238461e47f 100644
3--- a/README.markdown
4+++ b/README.markdown
5@@ -12,9 +12,9 @@ To learn more, visit [ohmyz.sh](http://ohmyz.sh) and follow [@ohmyzsh](https://t
6 7 ### Prerequisites
8 9-__Disclaimer:__ _Oh My Zsh works best on Mac OS X and Linux._
10+__Disclaimer:__ _Oh My Zsh works best on OS X and Linux._
1112-* Unix-based operating system (Mac OS X or Linux)
13+* Unix-based operating system (OS X or Linux)
14 * [Zsh](http://www.zsh.org) should be installed (v4.3.9 or more recent). If not pre-installed (`zsh --version` to confirm), check the following instruction here: [Installing ZSH](https://github.com/robbyrussell/oh-my-zsh/wiki/Installing-ZSH)
15 * `curl` or `wget` should be installed
16 * `git` should be installed