diff --git a/flake.nix b/flake.nix
index 1c23f40..2e4e8c6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -55,7 +55,7 @@
 
     mkRedundantOption = name: value: attrs: lib.mkOption {
       inherit (attrs) type default;
-      description = "${attrs.description}\n\n<div class=\"admonition-warning\"><p class=\"admonition-title\">::before\nRedundant</p><p>${mkRedundantOptionDescription name value}</p></div>";
+      description = "${attrs.description}\n\n<div class=admonition-warning><p class=admonition-title>::before\nRedundant</p><p>${mkRedundantOptionDescription name value}</p></div>";
     };
   };
 }