diff --git a/docs/ikev2-howto-zh.md b/docs/ikev2-howto-zh.md
index fd752e8..7cd1d2a 100644
--- a/docs/ikev2-howto-zh.md
+++ b/docs/ikev2-howto-zh.md
@@ -951,6 +951,7 @@ Options:
   --revokeclient [client name]  revoke an existing client
   --deleteclient [client name]  delete an existing client
   --removeikev2                 remove IKEv2 and delete all certificates and keys from the IPsec database
+  -y, --yes                     assume "yes" as answer to prompts when revoking/deleting a client or removing IKEv2
   -h, --help                    show this help message and exit
 
 To customize IKEv2 or client options, run this script without arguments.
diff --git a/docs/ikev2-howto.md b/docs/ikev2-howto.md
index 1b2f04a..8fc95e4 100644
--- a/docs/ikev2-howto.md
+++ b/docs/ikev2-howto.md
@@ -953,6 +953,7 @@ Options:
   --revokeclient [client name]  revoke an existing client
   --deleteclient [client name]  delete an existing client
   --removeikev2                 remove IKEv2 and delete all certificates and keys from the IPsec database
+  -y, --yes                     assume "yes" as answer to prompts when revoking/deleting a client or removing IKEv2
   -h, --help                    show this help message and exit
 
 To customize IKEv2 or client options, run this script without arguments.