diff --git a/Building-For-OS-X.md b/Building-For-OS-X.md
index c7d785b..be4225b 100644
--- a/Building-For-OS-X.md
+++ b/Building-For-OS-X.md
@@ -5,7 +5,7 @@ You'll need to download and install the following to build Citra:
 
 * [pkg-config](http://www.freedesktop.org/wiki/Software/pkg-config/) (`brew install pkgconfig`)
 * [SDL2](https://www.libsdl.org/download-2.0.php) (`brew install sdl2`, or download [this dmg](https://www.libsdl.org/release/SDL2-2.0.4.dmg))
-* [Qt5](http://qt-project.org/downloads) (`brew install qt5`)
+* [Qt5](http://qt-project.org/downloads) (`brew install qt5`) (**Note:** If you have Qt4 installed, then you will need to remove it before building. `brew unlink qt4`)
 * [CMake](http://www.cmake.org/) (`brew install cmake`)
 
 ### Cloning Citra in Git: