diff --git a/README b/README
index ba68506..314a6a6 100644
--- a/README
+++ b/README
@@ -43,3 +43,6 @@ The following outputs are supported:
 	move_dir <x> <y>
 		<x> and <y> are integer offsets relative
 		to the current position; may be just {-1,0,1}
+	attack_dir <x> <y>
+		<x> and <y> are integer offsets relative
+		to the current position; may be just {-1,0,1}