diff --git a/docs/ikev2-howto-zh.md b/docs/ikev2-howto-zh.md
index cdf92b9..04cc4d8 100644
--- a/docs/ikev2-howto-zh.md
+++ b/docs/ikev2-howto-zh.md
@@ -55,7 +55,8 @@ Libreswan 支持通过使用 RSA 签名算法的 X.509 Machine Certificates 来
      auto=add
      ikev2=insist
      rekey=no
-     fragmentation=yes
+     pfs=no
+     ike-frag=yes
      ike=aes256-sha2,aes128-sha2,aes256-sha1,aes128-sha1,aes256-sha2;modp1024,aes128-sha1;modp1024
      phase2alg=aes_gcm-null,aes256-sha2,aes128-sha2,aes256-sha1,aes128-sha1
    EOF
diff --git a/docs/ikev2-howto.md b/docs/ikev2-howto.md
index 2e5261e..2194fc5 100644
--- a/docs/ikev2-howto.md
+++ b/docs/ikev2-howto.md
@@ -55,7 +55,8 @@ Before continuing, make sure you have successfully <a href="https://github.com/h
      auto=add
      ikev2=insist
      rekey=no
-     fragmentation=yes
+     pfs=no
+     ike-frag=yes
      ike=aes256-sha2,aes128-sha2,aes256-sha1,aes128-sha1,aes256-sha2;modp1024,aes128-sha1;modp1024
      phase2alg=aes_gcm-null,aes256-sha2,aes128-sha2,aes256-sha1,aes128-sha1
    EOF