From 20284ebc849ed7c579b52b94fe582a9cec9954c8 Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael@signal.org>
Date: Fri, 20 Jul 2018 07:48:22 -0600
Subject: [PATCH] update BUILDING.md

---
 BUILDING.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/BUILDING.md b/BUILDING.md
index 3da55b825..7dfda72e7 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -1,9 +1,20 @@
 # Building
 
+We typically develop against the latest stable version of XCode.
+
+As of this writing, that's XCode 9.4
+
 ## 1. Clone
 
 Clone the repo to a working directory
 
+```
+git clone https:github.com/signalapp/Signal-iOS
+```
+
+Since we make use of submodules, you must use `git clone`, rather than
+downloading a prepared zip file from Github.
+
 ## 2. Dependencies
 
 To build and configure the libraries Signal uses, just run: