diff --git a/readme.md b/readme.md
index cd64bed..6df038c 100644
--- a/readme.md
+++ b/readme.md
@@ -2,7 +2,7 @@
 
 Simple dyndns for OVH API.  
 
-Updates a A record to current IP.
+Updates an A record to the current IP.
 
 
 ## requirements ubuntu
@@ -27,7 +27,7 @@ and edit `.env` with credentials from https://www.ovh.com/auth/api/createToken
 
 Install as user cronjob like
 
-`*/5 * * * * /home/user/ovh-dyndns/dyndns-update.py`
+`*/5 * * * * cd /home/user/ovh-dyndns ; ./dyndns-update.py ZONE SUBDOMAIN`
 
 with