diff --git a/doc/nixos/guides/_pre-requisites.md b/doc/nixos/guides/_pre-requisites.md
index f1b8e962..67a77503 100644
--- a/doc/nixos/guides/_pre-requisites.md
+++ b/doc/nixos/guides/_pre-requisites.md
@@ -19,6 +19,7 @@ For example:
  {
    # ...
 +  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
++  inputs.epnix.url = "github:epics-extensions/EPNix";
 
    # ...
    outputs = {
diff --git a/doc/nixos/guides/phoebus-alarm.md b/doc/nixos/guides/phoebus-alarm.md
index 07fc9423..1b07f19c 100644
--- a/doc/nixos/guides/phoebus-alarm.md
+++ b/doc/nixos/guides/phoebus-alarm.md
@@ -40,7 +40,7 @@ add this to your configuration:
   kafkaSock = "${ip}:${kafkaPort}";
 in {
   # The Phoebus Alarm server also automatically enables the Phoebus Alarm Logger
-  services.phoebus-alarm = {
+  services.phoebus-alarm-server = {
     enable = true;
     openFirewall = true;
     settings."org.phoebus.applications.alarm/server" = "${kafkaSock}";