diff --git a/mastodon/src/main/res/values-es-rES/strings_mo.xml b/mastodon/src/main/res/values-es-rES/strings_mo.xml
index 7f242e45f..1d797ffa3 100644
--- a/mastodon/src/main/res/values-es-rES/strings_mo.xml
+++ b/mastodon/src/main/res/values-es-rES/strings_mo.xml
@@ -96,4 +96,5 @@
     <string name="mo_mute_hashtag">Silenciar etiqueta</string>
     <string name="mo_confirm_to_mute_hashtag">¿Seguro que quieres silenciar esta etiqueta\?</string>
     <string name="mo_filter_notifications">Filtrar las notificaciones</string>
+    <string name="mo_notification_filter_reset">Restablecer valores por defecto</string>
 </resources>
\ No newline at end of file