diff --git a/deployhooks.md b/deployhooks.md
index 84ac8a2..5aeb3dd 100644
--- a/deployhooks.md
+++ b/deployhooks.md
@@ -595,6 +595,8 @@ acme.sh --deploy -d example.com --deploy-hook panos --insecure
 
 ## 20. Deploy the certificate to Synology DSM
 
+**Notice: This section has been pre-updated, before PR#5023 got merged, you shall read [the old doc](https://github.com/acmesh-official/acme.sh/wiki/deployhooks/52ef7886e7772c403c8330b943bf205394769e3e).**
+
 As pointed out [inside the deploy script file](https://github.com/acmesh-official/acme.sh/blob/ff090d2f74f994da4bca89b942b08bb714b25a46/deploy/synology_dsm.sh#L11-L38) itself, only 3 simple steps are required for deploy:
 1. Set the required environment variables which used for authentication while deploying:
    - (Recommend) Use an automatically created temp admin user by executing `export SYNO_USE_TEMP_ADMIN=1`.