diff --git a/README.md b/README.md
index 00ef2b0..a288677 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,11 @@
 # moha
 
-My Own Home Assistant
\ No newline at end of file
+My Own Home Assistant
+
+
+You must configure sudoers to allow usr domotique to execute nmap and systemctl restart presenceD.service
+
+/etc/sudoers:
+
+Cmnd_Alias DOM = /usr/bin/nmap, /usr/bin/systemctl restart presenceD.service
+domotique ALL=(ALL) NOPASSWD: DOM