diff --git a/README.md b/README.md
index ac814a7..e930354 100644
--- a/README.md
+++ b/README.md
@@ -45,3 +45,12 @@ npc_master       allows players to edit *any* NPC supported by this mod.
                  code without restrictions.
                  Only grant this to staff members you really trust.
 
+Mute
+====
+When you edit an NPC, you might want to stop it from talking to other players
+and spoiling unifinished texts/options to the player. 
+
+For this case, the NPC can be muted. This works either with the staff or by
+selecting the appropriate option in the talk menu after having started edit
+mode by claiming to be the NPC's owner.
+