From 36169e6b4aad467eaa5ba2559be3e13e83f6c6a0 Mon Sep 17 00:00:00 2001
From: Mason Chang <mchang@mozilla.com>
Date: Tue, 19 Jul 2016 14:28:05 -0700
Subject: [PATCH] Issue 12396 to add developer documentation to readme.

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index fa9450c6263..a8c7add2919 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,8 @@ brew install openssl
 brew link --force openssl
 ```
 
+If you've already partially compiled servo but forgot to do this step, run ./mach clean, link openssl, and recompile.
+
 On Debian-based Linuxes:
 
 ``` sh
@@ -176,6 +178,7 @@ URL with servo).
   `INTERVAL` seconds
 - `-s SIZE` sets the tile size for painting; defaults to 512
 - `-z` disables all graphical output; useful for running JS / layout tests
+- `-z help` displays useful output to debug servo
 
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