diff --git a/doc/vm-instructions.txt b/doc/vm-instructions.txt
index 55faf00..a3b5f89 100755
--- a/doc/vm-instructions.txt
+++ b/doc/vm-instructions.txt
@@ -46,3 +46,4 @@ it.n	<iterator:REG>
 it.v	<iterator:REG>
 
 ret
+ret.n