diff --git a/resources/lang/pl_PL/firefly.php b/resources/lang/pl_PL/firefly.php
index e35a3201fb..e7ce1908ce 100644
--- a/resources/lang/pl_PL/firefly.php
+++ b/resources/lang/pl_PL/firefly.php
@@ -850,7 +850,7 @@ return [
     'hidden_fields_preferences'            => 'Not all fields are visible right now. You must enable them in your <a href=":link">settings</a>.',
     'user_data_information'                => 'Dane użytkownika',
     'user_information'                     => 'Informacja o użytkowniku',
-    'total_size'                           => 'total size',
+    'total_size'                           => 'łączny rozmiar',
     'budget_or_budgets'                    => 'budżet(y)',
     'budgets_with_limits'                  => 'budget(s) with configured amount',
     'rule_or_rules'                        => 'reguła(y)',
@@ -858,7 +858,7 @@ return [
     'setting_must_confirm_account'         => 'Potwierdzenie konta',
     'setting_must_confirm_account_explain' => 'When this setting is enabled, users must activate their account before it can be used.',
     'configuration_updated'                => 'Konfiguracja została zaktualizowana',
-    'setting_is_demo_site'                 => 'Demo site',
+    'setting_is_demo_site'                 => 'Strona demonstracyjna',
     'setting_is_demo_site_explain'         => 'If you check this box, this installation will behave as if it is the demo site, which can have weird side effects.',
     'setting_send_email_notifications'     => 'Wyślij powiadomienia emailem',
     'setting_send_email_explain'           => 'Firefly III can send you email notifications about certain events. They will be sent to <code>:site_owner</code>. This email address can be set in the <code>.env</code> file.',
@@ -903,13 +903,13 @@ return [
 
     // import
     'configuration_file_help'              => 'If you have previously imported data into Firefly III, you may have a configuration file, which will pre-set configuration values for you. For some banks, other users have kindly provided their <a href="https://github.com/firefly-iii/import-configurations/wiki">configuration file</a>.',
-    'import_data_index'                    => 'Index',
-    'import_file_type_csv'                 => 'CSV (comma separated values)',
+    'import_data_index'                    => 'Indeks',
+    'import_file_type_csv'                 => 'CSV (wartości oddzielone przecinkami)',
     'import_file_type_help'                => 'Wybierz typ pliku, który będziesz przesyłać',
-    'import_start'                         => 'Start the import',
+    'import_start'                         => 'Rozpocznij Importowanie',
     'configure_import'                     => 'Further configure your import',
-    'import_finish_configuration'          => 'Finish configuration',
-    'settings_for_import'                  => 'Settings',
+    'import_finish_configuration'          => 'Zakończ konfigurację',
+    'settings_for_import'                  => 'Ustawienia',
     'import_status'                        => 'Import status',
     'import_status_text'                   => 'The import is currently running, or will start momentarily.',
     'import_complete'                      => 'Import configuration complete!',
@@ -924,11 +924,11 @@ return [
     'import_status_import_complete'        => 'The import has completed.',
     'import_status_import_running'         => 'The import is currently running. Please be patient.',
     'import_status_header'                 => 'Import status and progress',
-    'import_status_errors'                 => 'Import errors',
-    'import_status_report'                 => 'Import report',
-    'import_finished'                      => 'Import has finished',
-    'import_error_single'                  => 'An error has occured during the import.',
-    'import_error_multi'                   => 'Some errors occured during the import.',
+    'import_status_errors'                 => 'Błędy importu',
+    'import_status_report'                 => 'Raport z importu',
+    'import_finished'                      => 'Import został zakończony',
+    'import_error_single'                  => 'Wystąpił błąd podczas importu.',
+    'import_error_multi'                   => 'Wystąpiły błędy podczas importu.',
     'import_error_fatal'                   => 'There was an error during the import routine. Please check the log files. The error seems to be:',
     'import_error_timeout'                 => 'The import seems to have timed out. If this error persists, please import your data using the console command.',
     'import_double'                        => 'Row #:row: This row has been imported before, and is stored in <a href=":link">:description</a>.',