diff --git a/libstr.asm b/libstr.asm
index 35e2fc1..6ab2417 100644
--- a/libstr.asm
+++ b/libstr.asm
@@ -71,7 +71,6 @@ proc str.utf8.validate _string
 ; Validates a UTF-8 encoded string and return its size in bytes
 ;
 ; > _string = pointer to utf-8 coded Unicode string
-; > _max = upper limit on the returned string length
 ;
 ; < eax = size in bytes
         push    esi edi