diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 976f5aabd..88b9c9f08 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -601,4 +601,9 @@
     <string name="auto_dismiss_datetime_list">Lista de tareas</string>
     <string name="widget_due_date_reschedule">Reprogramar tarea</string>
     <string name="widget_footer">Pie de página</string>
+    <string name="custom_filter_not">NO</string>
+    <string name="custom_filter_or">O</string>
+    <string name="custom_filter_and">Y</string>
+    <string name="custom_filter_criteria">Criterios de filtro</string>
+    <string name="choose_new_criteria">Elija los nuevos criterios</string>
 </resources>
\ No newline at end of file