From f83e1452ec37571b2ae0754e60991134ac20fb04 Mon Sep 17 00:00:00 2001
From: jecarr <52256544+jecarr@users.noreply.github.com>
Date: Thu, 2 Sep 2021 15:47:58 +1200
Subject: [PATCH] install.rst Build pre-reqs tweak

---
 doc/src/install.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/src/install.rst b/doc/src/install.rst
index a01bebdf..823f78bb 100644
--- a/doc/src/install.rst
+++ b/doc/src/install.rst
@@ -153,7 +153,8 @@ it from sources you will need:
 - A C compiler.
 
 - The Python header files. They are usually installed in a package such as
-  **python-dev** or **python3-dev**. A message such as *error: Python.h: No
+  **python-dev**, **python3-dev** or **python3.x-dev** (where 3.x is your
+  Python version, e.g. python3.9-dev). A message such as *error: Python.h: No
   such file or directory* is an indication that the Python headers are
   missing.