From af99c1b6a9d1bd39dc931e2d24872a8c4e40e538 Mon Sep 17 00:00:00 2001
From: Jack Andersen <jackoalan@gmail.com>
Date: Thu, 26 Nov 2015 08:41:11 -1000
Subject: [PATCH] Update README.md

---
 README.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 19807ce..8d5da8e 100644
--- a/README.md
+++ b/README.md
@@ -11,9 +11,15 @@ The only per-platform responsibility of the client code is providing the
 shaders' source. Drawing, resource-management and state-switching are
 performed using the unified API; these may be written once for all platforms.
 
+Client code is entered via the `appMain` method supplied in a callback object.
+This code executes on a dedicated thread with graphics command context available.
+The API may be used to synchronize loops on the client thread with the display
+refresh-rate.
+
 #### Supported Backends
 
 * OpenGL 3.3+
 * Direct3D 11/12
-* Apple Metal 1.1 (OS X 10.11 only for now)
+* Metal 1.1 (OS X 10.11 only for now, iOS coming soon)
+* **[Coming soon]** OpenGL ES 3.0
 * **[Coming soon]** Vulkan