diff --git a/README.md b/README.md
index 36e34a0..077047b 100644
--- a/README.md
+++ b/README.md
@@ -10,12 +10,15 @@ dialog           A text said by the NPC, with diffrent replys the player can
 
 option           A reply/answer to the text the NPC said.
 
-precondition     All listed preconditions have to be true in order for the NPC
-                 to offer this option.
+precondition/    All listed preconditions have to be true in order for the NPC
+prerequirement   to offer this option.
 
-effect           Further effects (like setting variables, handing out items)
+effect/result    Further effects (like setting variables, handing out items)
                  selecting a particular option has.
 
+action           An action the player may (or may not) take, i.e. trading,
+                 taking an item from the NPC, giving the NPC something, entering
+                 the right password etc.
 
 How to configure NPC and add dialogs
 ====================================