1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/nixos/modules/hardware/sensor/hddtemp.nix b/nixpkgs/nixos/modules/hardware/sensor/hddtemp.nix
index b69d012b4d09..1a3d211b858b 100644
--- a/nixpkgs/nixos/modules/hardware/sensor/hddtemp.nix
+++ b/nixpkgs/nixos/modules/hardware/sensor/hddtemp.nix
@@ -43,7 +43,7 @@ in
       };
 
       unit = mkOption {
-        description = lib.mdDoc "Celcius or Fahrenheit";
+        description = lib.mdDoc "Celsius or Fahrenheit";
         type = types.enum [ "C" "F" ];
         default = "C";
       };