From 739446a9a1975367b2c9a6b105b3fde1656c725b Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Thu, 25 Mar 2021 16:54:08 -0400
Subject: [PATCH] FindDoxygen: clarify the CMake variable naming scheme

---
 Modules/FindDoxygen.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Modules/FindDoxygen.cmake b/Modules/FindDoxygen.cmake
index 7fe5da137f..4a16e316a6 100644
--- a/Modules/FindDoxygen.cmake
+++ b/Modules/FindDoxygen.cmake
@@ -223,7 +223,8 @@ them to be separated by whitespace. CMake variables hold lists as a string with
 items separated by semi-colons, so a conversion needs to be performed. The
 ``doxygen_add_docs()`` command specifically checks the following Doxygen config
 options and will convert their associated CMake variable's contents into the
-required form if set.
+required form if set. CMake variables are named ``DOXYGEN_<name>`` for the
+Doxygen settings specified here.
 
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