diff --git a/resources/lang/pl_PL/firefly.php b/resources/lang/pl_PL/firefly.php
index 3beb705346..26d5e21767 100644
--- a/resources/lang/pl_PL/firefly.php
+++ b/resources/lang/pl_PL/firefly.php
@@ -18,7 +18,7 @@ return [
     'delete'                                     => 'Usuń',
     'welcomeBack'                                => 'Co jest grane?',
     'everything'                                 => 'Wszystko',
-    'customRange'                                => 'Custom range',
+    'customRange'                                => 'Niestandardowy zakres',
     'apply'                                      => 'Zastosuj',
     'cancel'                                     => 'Anuluj',
     'from'                                       => 'Z',
@@ -29,34 +29,34 @@ return [
     'bounced_error'                              => 'Wiadomość wysłana na adres :email została odrzucona, więc nie ma dostępu dla Ciebie.',
     'deleted_error'                              => 'These credentials do not match our records.',
     'general_blocked_error'                      => 'Your account has been disabled, so you cannot login.',
-    'expired_error'                              => 'Your account has expired, and can no longer be used.',
+    'expired_error'                              => 'Twoje konto wygasło i nie może być dalej używane.',
     'removed_amount'                             => 'Usunięto :amount',
-    'added_amount'                               => 'Added :amount',
+    'added_amount'                               => 'Dodano :amount',
     'asset_account_role_help'                    => 'Any extra options resulting from your choice can be set later.',
-    'Opening balance'                            => 'Opening balance',
-    'create_new_stuff'                           => 'Create new stuff',
-    'new_withdrawal'                             => 'New withdrawal',
-    'new_deposit'                                => 'New deposit',
-    'new_transfer'                               => 'New transfer',
-    'new_asset_account'                          => 'New asset account',
-    'new_expense_account'                        => 'New expense account',
-    'new_revenue_account'                        => 'New revenue account',
-    'new_budget'                                 => 'New budget',
-    'new_bill'                                   => 'New bill',
-    'block_account_logout'                       => 'You have been logged out. Blocked accounts cannot use this site. Did you register with a valid email address?',
-    'flash_success'                              => 'Success!',
-    'flash_info'                                 => 'Message',
-    'flash_warning'                              => 'Warning!',
-    'flash_error'                                => 'Error!',
-    'flash_info_multiple'                        => 'There is one message|There are :count messages',
-    'flash_error_multiple'                       => 'There is one error|There are :count errors',
-    'net_worth'                                  => 'Net worth',
+    'Opening balance'                            => 'Bilans otwarcia',
+    'create_new_stuff'                           => 'Utwórz nowe rzeczy',
+    'new_withdrawal'                             => 'Nowa wypłata',
+    'new_deposit'                                => 'Nowa wpłata',
+    'new_transfer'                               => 'Nowy transfer',
+    'new_asset_account'                          => 'Nowe konto aktywów',
+    'new_expense_account'                        => 'Nowe konto wydatków',
+    'new_revenue_account'                        => 'Nowe konto przychodów',
+    'new_budget'                                 => 'Nowy budżet',
+    'new_bill'                                   => 'Nowy rachunek',
+    'block_account_logout'                       => 'Zostałeś wylogowany. Zablokowane konta nie mogą korzystać z tej strony. Czy zarejestrowałeś się z prawidłowym adresem e-mail?',
+    'flash_success'                              => 'Sukces!',
+    'flash_info'                                 => 'Komunikat',
+    'flash_warning'                              => 'Ostrzeżenie!',
+    'flash_error'                                => 'Błąd!',
+    'flash_info_multiple'                        => 'Jest jedna wiadomość|Jest :count wiadomości',
+    'flash_error_multiple'                       => 'Jest jeden błąd|Jest :count błędów',
+    'net_worth'                                  => 'Wartość netto',
     'route_has_no_help'                          => 'There is no help for this route.',
     'help_may_not_be_your_language'              => 'This help text is in English. It is not yet available in your language',
-    'two_factor_welcome'                         => 'Hello, :user!',
+    'two_factor_welcome'                         => 'Witaj, :user!',
     'two_factor_enter_code'                      => 'To continue, please enter your two factor authentication code. Your application can generate it for you.',
-    'two_factor_code_here'                       => 'Enter code here',
-    'two_factor_title'                           => 'Two factor authentication',
+    'two_factor_code_here'                       => 'Wprowadź tutaj kod',
+    'two_factor_title'                           => 'Weryfikacja dwuskładnikowa',
     'authenticate'                               => 'Authenticate',
     'two_factor_forgot_title'                    => 'Lost two factor authentication',
     'two_factor_forgot'                          => 'I forgot my two-factor thing.',
@@ -66,12 +66,12 @@ return [
     'two_factor_lost_fix_owner'                  => 'Otherwise, email the site owner, <a href="mailto::site_owner">:site_owner</a> and ask them to reset your two factor authentication.',
     'warning_much_data'                          => ':days days of data may take a while to load.',
     'registered'                                 => 'You have registered successfully!',
-    'search'                                     => 'Search',
-    'search_found_accounts'                      => 'Found :count account(s) for your query.',
-    'search_found_categories'                    => 'Found :count category(ies) for your query.',
-    'search_found_budgets'                       => 'Found :count budget(s) for your query.',
-    'search_found_tags'                          => 'Found :count tag(s) for your query.',
-    'search_found_transactions'                  => 'Found :count transaction(s) for your query.',
+    'search'                                     => 'Szukaj',
+    'search_found_accounts'                      => 'Znaleziono :count kont(o/a) dla twojego wyszukiwania.',
+    'search_found_categories'                    => 'Znaleziono :count kategorii dla twojego wyszukiwania.',
+    'search_found_budgets'                       => 'Znaleziono :count budżet(y/ów) dla twojego wyszukiwania.',
+    'search_found_tags'                          => 'Znaleziono :count tag(i/ów) dla twojego wyszukiwania.',
+    'search_found_transactions'                  => 'Znaleziono :count transakcji dla twojego wyszukiwania.',
     'results_limited'                            => 'The results are limited to :count entries.',
     'tagbalancingAct'                            => 'Balancing act',
     'tagadvancePayment'                          => 'Advance payment',