diff --git a/README.md b/README.md
index 6701dd5..eeab949 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,20 @@ So I decided to quickly hack together a script to automate that manual
 process. The code is a horrible hack, but it (seemingly) works as I'm writing
 this in Emacs built with it.
 
+## Usage
+
+Myself I run the following command which will download a tarball of the
+`master` branch, apply the fullscreen and sRGB patches, and build Emacs.app:
+
+    ./build-emacs-for-osx --srgb
+
+Or for example if you want to build the `EMACS_PRETEST_24_0_91` tag, run:
+
+    ./build-emacs-for-osx --srgb EMACS_PRETEST_24_0_91
+
+Resulting applications are saved to the `builds` directory in a bzip2
+compressed tarball.
+
 ## Internals
 
 I decided to pull Emacs' source from the GitHub mirror rather than the