diff --git a/README.md b/README.md
index 0858a54..b4de6e7 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,8 @@ The only required fields are the _MAC ones. If _IFACE is not provided, eth0 is t
 
 The default user is called anon and can be changed in auth.py
 
+For every change of the .env file in the app folder you need to restart the systemd service.
+
 It goes without saying that Wake-On-LAN must be enabled both in the BIOS and the operating system.
 
 The project should also be run as root because the way that it sends Wake-On-LAN packets is similar to how etherwake does it. It doesn't actually send a UDP packet on port 9 but rather raw ethernet frames directly to the NIC of the device you want to wake up.