diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index db9e4353a..a5264ab96 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -490,12 +490,12 @@
     <string name="set_compact_mode">Tryb kompaktowy</string>
     <string name="set_share_details">Dodaj szczegóły wpisu podczas udostępniania</string>
     <string name="support_the_app_on_liberapay">Wesprzyj tą aplikacje na Liberapay</string>
-    <string name="alert_regex">There is an error in the regular expression!</string>
+    <string name="alert_regex">Błędne wyrażenie regularne!</string>
     <string name="no_account_yet">Nie masz jeszcze konta?</string>
-    <string name="toast_instance_unavailable">No timelines was found on this instance!</string>
+    <string name="toast_instance_unavailable">Nie znaleziono żadnych osi czasu na tej instancji!</string>
     <string name="delete_instance">Usunąć tą instancję?</string>
-    <string name="warning_delete_instance">You are going to delete %s from your followed instances.</string>
-    <string name="which_language">Translate in</string>
+    <string name="warning_delete_instance">Usuniesz %s z obserwowanych instancji.</string>
+    <string name="which_language">Przetłumacz na</string>
     <string name="crash_title">Mastalab has stopped :(</string>
     <string name="crash_message">You can send me by email the crash report. It will help to fix it :)\n\nYou can add additional content. Thank you!</string>
     <string name="send_crash_report">Ask for sending crash reports by email?</string>