diff --git a/HowtoGrafana.md b/HowtoGrafana.md
index df170954..1bfdc364 100644
--- a/HowtoGrafana.md
+++ b/HowtoGrafana.md
@@ -13,16 +13,19 @@ title: Howto Grafana
 Grafana n'étant pas disponible sous Debian Stretch, nous utilisons les dépôts fournis par GrafanaLabs.
 
 ~~~
-# curl -s https://packages.grafana.com/gpg.key | apt-key add -
+# wget https://packages.grafana.com/gpg.key -O /etc/apt/trusted.gpg.d/grafana.asc
+# chown _apt /etc/apt/trusted.gpg.d/grafana.asc
 # echo "deb https://packages.grafana.com/oss/deb stable main" > /etc/apt/sources.list.d/grafana.list
 # apt update
 # apt install grafana
+# systemctl daemon-reload
 # systemctl enable grafana-server.service
 # systemctl start grafana-server.service
 
 # grafana-server -v
-Version 5.1.4 (commit: a5fe24fcc)
+Version 6.6.1 (commit: 21bf8b71bc, branch: HEAD)
 
+# systemctl status grafana-server.service
 ● grafana-server.service - Grafana instance
    Loaded: loaded (/usr/lib/systemd/system/grafana-server.service; enabled; vendor preset: enabled)
      Docs: http://docs.grafana.org