diff --git a/nixos/modules/virtualisation/railcar.nix b/nixos/modules/virtualisation/railcar.nix
index 527bf8558a91..3f188fc68e55 100644
--- a/nixos/modules/virtualisation/railcar.nix
+++ b/nixos/modules/virtualisation/railcar.nix
@@ -46,7 +46,7 @@ let
         description = ''
           Mount options of the filesystem to be used.
 
-          Support optoions are listed in the mount(8) man page. Note that
+          Support options are listed in the mount(8) man page. Note that
           both filesystem-independent and filesystem-specific options
           are listed.
         '';