diff --git a/docs/Installation.md b/docs/Installation.md
index 956e672f7b..de7cefd2e7 100644
--- a/docs/Installation.md
+++ b/docs/Installation.md
@@ -16,7 +16,7 @@ it does it too. You have to confirm everything it will do before it starts.
 * Command Line Tools (CLT) for Xcode: `xcode-select --install`,
   [developer.apple.com/downloads](https://developer.apple.com/downloads) or
   [Xcode](https://itunes.apple.com/us/app/xcode/id497799835) <sup>[3](#3)</sup>
-* A Bourne-compatible shell for installation (e.g. `bash` or `zsh`) <sup>[4](#4)</sup>
+* The Bourne-again shell for installation (i.e. `bash`) <sup>[4](#4)</sup>
 
 ## Git Remote Mirroring
 
@@ -75,5 +75,5 @@ Apple Developer account on older versions of Mac OS X. Sign up for free
 [here](https://developer.apple.com/register/index.action).
 
 <a name="4"><sup>4</sup></a> The one-liner installation method found on
-[brew.sh](https://brew.sh) requires a Bourne-compatible shell (e.g. bash or
-zsh). Notably, fish, tcsh and csh will not work.
+[brew.sh](https://brew.sh) requires the Bourne-again shell, i.e. bash.
+Notably, zsh, fish, tcsh and csh will not work.