diff --git a/insns.def b/insns.def
index 0b741af504..cf09809ba1 100644
--- a/insns.def
+++ b/insns.def
@@ -660,7 +660,7 @@ defined
      `flag & VM_CHECKMATCH_TYPE_MASK' describe how to check pattern.
       VM_CHECKMATCH_TYPE_WHEN: ignore target and check pattern is truthy.
       VM_CHECKMATCH_TYPE_CASE: check `patten === target'.
-      VM_CHECKMATCH_TYPE_RESCUE: check `pattern.kind_op?(Module) && pattern === target'.
+      VM_CHECKMATCH_TYPE_RESCUE: check `pattern.kind_of?(Module) && pattern === target'.
      if `flag & VM_CHECKMATCH_ARRAY' is not 0, then `patten' is array of patterns.
  */
 DEFINE_INSN