diff --git a/nixos/modules/services/home-automation/home-assistant.nix b/nixos/modules/services/home-automation/home-assistant.nix
index 2b9113eabdc5..599d33724ad3 100644
--- a/nixos/modules/services/home-automation/home-assistant.nix
+++ b/nixos/modules/services/home-automation/home-assistant.nix
@@ -720,6 +720,9 @@ in {
         Group = "hass";
         WorkingDirectory = cfg.configDir;
         Restart = "on-failure";
+
+        # Signal handling
+        # homeassistant/helpers/signal.py
         RestartForceExitStatus = "100";
         SuccessExitStatus = "100";
         KillSignal = "SIGINT";