diff --git a/api.txt b/api.txt
index 6a9bfd0..9dea80a 100644
--- a/api.txt
+++ b/api.txt
@@ -31,7 +31,7 @@ functions needed for the mob to work properly which contains the following:
    'hp_max'        has the maximum health value the mob can spawn with.
    'armor'         holds strength of mob, 100 is normal, lower is more powerful
                    and needs more hits and better weapons to kill.
-   'passive'       when true allows animals to defend themselves when hit,
+   'passive'       when false allows animals to defend themselves when hit,
                    otherwise they amble onwards.
    'walk_velocity' is the speed that your mob can walk around.
    'run_velocity'  is the speed your mob can run with, usually when attacking.