diff --git a/web/static/numerus.css b/web/static/numerus.css
index 3859ec3..f655eeb 100644
--- a/web/static/numerus.css
+++ b/web/static/numerus.css
@@ -332,7 +332,7 @@ input.width-2x {
 
   [lang="ca"] input:not([required]) + label::after
 , [lang="es"] input:not([required]) + label::after {
-	content: " (optional)"
+	content: " (opcional)"
 }
 
 .input label, .input input:focus ~ label {