diff --git a/README.txt b/README.txt
index 11fa538..7076db6 100644
--- a/README.txt
+++ b/README.txt
@@ -15,6 +15,14 @@ It currently only works with version 0.3.0 of this mod.
 
 Otherwise, the mana is just shown as text.
 
+Configuration
+=============
+
+This mod can be configured with minetest.conf! The following settings are accepted:
+
+* `mana_default_max`: Initial max. mana given to new players.
+
+
 License information
 ===================
 * textures/mana_icon.png: CC-BY by Buch <http://opengameart.org/users/Buch>.