[devhelp] build: improve a comment

[Sébastien Wilmet <swilmet src gnome org>]

commit 840710ee805bc26788615e9b9d88573fea627761
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Apr 4 02:42:41 2020 +0200

    build: improve a comment

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index a36516ed..63ab9cbe 100644
--- a/meson.build
+++ b/meson.build
@@ -83,7 +83,7 @@ configure_file(
 
 # Misc
 
-# For #include <devhelp/something.h>
+# For #include <devhelp/something.h> or #include "config.h".
 ROOT_INCLUDE_DIR = include_directories('.')
 
 add_project_arguments(