diff --git a/NPC-Behaviour-Variables.md b/NPC-Behaviour-Variables.md
index ded6385..b9ac881 100644
--- a/NPC-Behaviour-Variables.md
+++ b/NPC-Behaviour-Variables.md
@@ -1,3 +1,9 @@
+### CREATURE_VAR_HERBIVORE
+Sets a creature to use the Herbivore special AI.
+
+### CREATURE_VAR_OMNIVORE
+Sets a creature to use the Omnivore special AI.
+
 ### X2_SPELL_RANDOM
 Setting this variable on a spellcaster creature will make its spell use a bit more random, but their spell selection may not always be appropriateto the situation anymore.