Update README.markdown to add homebrew avr-gcc install info

22b11ba2 · Michael DM Dryden · a7fbfb46 · 22b11ba2
Commit 22b11ba2 authored 7 years ago by Michael DM Dryden
--- a/README.markdown
+++ b/README.markdown
@@ -32,8 +32,8 @@ The most up to date firmware can be found in the `develop` (or individual featur

 * Mac or Linux:
 	* GNU Make (OS X: included with Developer Tools)
-	* avr-gcc (OS X: install with homebrew)
-	* avr-libc (OS X: install with homebrew)
+	* avr-gcc (OS X: install with homebrew `brew tap osx-cross/avr && brew install avr-gcc`)
+	* avr-libc (OS X: included with avr-gcc)
 * Windows:
    * Docker