README.txt: Clarify loading of minetest.conf

diff --git a/README.txt b/README.txt
index 203e79601c9c572d8427a7c2145261264950af48..59bf3adf86b215a00cad777781ad2ccfaeee3b26 100644 (file)
--- a/README.txt
+++ b/README.txt
@@ -101,7 +101,9 @@ Configuration file:
     $user/minetest.conf
 - It is created by Minetest when it is ran the first time.
 - A specific file can be specified on the command line:
-       --config <path-to-file>
+    --config <path-to-file>
+- A run-in-place build will look for the configuration file in
+    $location_of_exe/../minetest.conf and also $location_of_exe/../../minetest.conf
 
 Command-line options:
 ---------------------