diff --git a/translations/about.pl.xlf b/translations/about.pl.xlf
index 48a9099a..b234722b 100644
--- a/translations/about.pl.xlf
+++ b/translations/about.pl.xlf
@@ -24,7 +24,7 @@
published_under
- %kimai% jest publikowane w licencji
+ %kimai% jest publikowane na licencji
special_thanks
diff --git a/translations/actions.es.xlf b/translations/actions.es.xlf
index c171e66c..dfc8bfcb 100644
--- a/translations/actions.es.xlf
+++ b/translations/actions.es.xlf
@@ -98,6 +98,10 @@
filter
Filtrar datos
+
+ invoice.cancel
+ Eliminar factura
+