diff --git a/mods/ENTITIES/mcl_mobs/api.txt b/mods/ENTITIES/mcl_mobs/api.txt
index 038c34a77..5b5809bca 100644
--- a/mods/ENTITIES/mcl_mobs/api.txt
+++ b/mods/ENTITIES/mcl_mobs/api.txt
@@ -258,7 +258,7 @@ functions needed for the mob to work properly which contains the following:
 	'nofollow'			Do not follow players when they wield the "follow" item. For mobs (like villagers)
 						that are bred in a different way.
 	'pick_up'			table of itemstrings the mob will pick up (e.g. for breeding)
-	'on_pick_up'		function that will be called on item pickup - return true to not pickup the item
+	'on_pick_up'		function that will be called on item pickup - arguments are self and the itementity return a (modified) itemstack
 	'custom_visual_size' will not reset visual_size from the base class on reload
 	'noyaw'				If true this mob will not automatically change yaw
 	'particlespawners'	Table of particlespawners attached to the mob. This is implemented in a coord safe manner i.e. spawners are only sent to players within the player_transfer_distance (and automatically removed). This enables infinitely lived particlespawners.