diff --git a/src/Symfony/Component/Validator/Resources/translations/validators.pl.xlf b/src/Symfony/Component/Validator/Resources/translations/validators.pl.xlf
index f33274e6e6..51a76eefc1 100644
--- a/src/Symfony/Component/Validator/Resources/translations/validators.pl.xlf
+++ b/src/Symfony/Component/Validator/Resources/translations/validators.pl.xlf
@@ -318,6 +318,10 @@
ErrorBłąd
+
+ This is not a valid UUID.
+ To nie jest poprawne UUID.
+