added to missings spanish translations

app/assets/javascripts/components/locales/es.jsx

@@ -35,8 +35,8 @@ const es = {
   "tabs_bar.notifications": "Notificaciones",
   "compose_form.placeholder": "¿En qué estás pensando?",
   "compose_form.publish": "Publicar",
-  "compose_form.sensitive": null,
-  "compose_form.unlisted": "No listado",
+  "compose_form.sensitive": "Marcar el contenido como sensible",
+  "compose_form.unlisted": "Privado",
   "navigation_bar.settings": "Ajustes",
   "navigation_bar.public_timeline": "Público",
   "navigation_bar.logout": "Cerrar sesión",