diff --git a/Synology-NAS-Guide.md b/Synology-NAS-Guide.md
index 59bb414..be0f32d 100644
--- a/Synology-NAS-Guide.md
+++ b/Synology-NAS-Guide.md
@@ -115,13 +115,13 @@ In DSM control panel, open the 'Task Scheduler' and create a new scheduled task
 
 ```sh
 # renew certificates 
-./acme.sh --cron --home /usr/local/share/acme.sh/
+./acme.sh --cron --home .
 ```
 
 ## Fix a broken environment after Synology DSM upgrade
 
 ```sh
-./acme.sh --force --upgrade --nocron --home /usr/local/share/acme.sh
+./acme.sh --force --upgrade --nocron --home .
 ```
 
 or manually add below line into /root/.profile