diff --git a/mods/ENTITIES/mcl_mobs/api.txt b/mods/ENTITIES/mcl_mobs/api.txt
index f4f9b1a50..06e92c7ee 100644
--- a/mods/ENTITIES/mcl_mobs/api.txt
+++ b/mods/ENTITIES/mcl_mobs/api.txt
@@ -484,6 +484,7 @@ This function registers a arrow for mobs with the attack type shoot.
 		'rotate'		integer value in degrees to rotate arrow
 		'on_step'	is a custom function when arrow is active, nil for
 					default.
+		'_vl_projectile'	table with Projectile API properties. Refer to mods/ITEMS/vl_projectile/api.md for documentation.
 
 
 Spawn Eggs