diff --git a/src/Resources/translations/SonataAdminBundle.pl.xliff b/src/Resources/translations/SonataAdminBundle.pl.xliff
index a4ba52be67..dbb9db1327 100644
--- a/src/Resources/translations/SonataAdminBundle.pl.xliff
+++ b/src/Resources/translations/SonataAdminBundle.pl.xliff
@@ -464,23 +464,23 @@
             </trans-unit>
             <trans-unit id="title_select_subclass">
                 <source>title_select_subclass</source>
-                <target>title_select_subclass</target>
+                <target>Wybierz podtyp obiektu</target>
             </trans-unit>
             <trans-unit id="no_subclass_available">
                 <source>no_subclass_available</source>
-                <target>no_subclass_available</target>
+                <target>Brak zdefiniowanych podtypów</target>
             </trans-unit>
             <trans-unit id="label_unknown_user">
                 <source>label_unknown_user</source>
-                <target>label_unknown_user</target>
+                <target>nieznany</target>
             </trans-unit>
             <trans-unit id="read_more">
                 <source>read_more</source>
-                <target>read_more</target>
+                <target>Czytaj więcej</target>
             </trans-unit>
             <trans-unit id="read_less">
                 <source>read_less</source>
-                <target>read_less</target>
+                <target>Zwiń</target>
             </trans-unit>
             <trans-unit id="toggle_navigation">
                 <source>toggle_navigation</source>