From 600cdfedb5b3eaa8f9bc0074d6f38c514f2a9fb1 Mon Sep 17 00:00:00 2001
From: Randy Barlow <randy@electronsweatshop.com>
Date: Jan 09 2017 22:32:59 +0000
Subject: Document that Sphinx 1.3+ is required.


Signed-off-by: Randy Barlow <randy@electronsweatshop.com>

---

diff --git a/docs/contributing.rst b/docs/contributing.rst
index d9bf419..5ad9de2 100644
--- a/docs/contributing.rst
+++ b/docs/contributing.rst
@@ -109,3 +109,10 @@ When you are done with your Vagrant guest, you can destroy it permanently by run
 the host::
 
     $ vagrant destroy
+
+
+Build requirements
+------------------
+
+The documentation requires Sphinx >= 1.3, so that the napoleon extension is included in the Sphinx
+distribution.