diff --git a/config.yaml b/config.yaml
index a035197e..25fb57a7 100644
--- a/config.yaml
+++ b/config.yaml
@@ -21,7 +21,7 @@ web:
       path: /opt/fasten/web
 database:
   type: 'sqlite' # postgres also supported, but still experimental changes
-  location: '/opt/fasten/db/fasten.db' # if postgres, then host=localhost user=gorm password=gorm dbname=gorm port=9920 sslmode=required TimeZone=Asia/Shanghai
+  location: '/opt/fasten/db/fasten.db' # if postgres use a DSN, eg. `host=localhost user=gorm password=gorm dbname=gorm port=9920 sslmode=required TimeZone=Asia/Shanghai`
 log:
   file: '' # absolute or relative paths allowed, eg. web.log
   level: INFO