From c0a12f9ffda25a771afd7e5db805f99e2a93911a Mon Sep 17 00:00:00 2001
From: Olly Betts <olly@survex.com>
Date: Tue, 27 Sep 2016 10:38:39 +1300
Subject: [PATCH] Add link to TerrainData wiki page

---
 doc/manual.sgml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/manual.sgml b/doc/manual.sgml
index 3cc0f5ed..1795f803 100644
--- a/doc/manual.sgml
+++ b/doc/manual.sgml
@@ -3641,7 +3641,9 @@ achieved like so:
 <Sect2><Title>Add surface topography</Title>
 
 <Para>Survex 1.2.18 added support for loading terrain data and rendering it as
-a transparent surface.
+a transparent surface.  Currently the main documentation for this is maintained
+as a <ulink url="https://trac.survex.com/wiki/TerrainData">wiki page</ulink>
+as this allows us to update it between releases.
 </Para>
 
 <Para>
-- 
2.11.4.GIT