diff --git a/nixos/doc/manual/development/option-types.xml b/nixos/doc/manual/development/option-types.xml
index 441393c9827..b8e3ea774a7 100644
--- a/nixos/doc/manual/development/option-types.xml
+++ b/nixos/doc/manual/development/option-types.xml
@@ -175,7 +175,6 @@
 <example xml:id='ex-submodule-direct'><title>Directly defined submodule</title>
 <screen>
 options.mod = mkOption {
-  name = "mod";
   description = "submodule example";
   type = with types; listOf (submodule {
     options = {