diff --git a/application/language/pl/common_lang.php b/application/language/pl/common_lang.php
index bc79ebd52..1ea11baa9 100644
--- a/application/language/pl/common_lang.php
+++ b/application/language/pl/common_lang.php
@@ -1,87 +1,86 @@
-<?php 
-
-$lang["common_address_1"] = "Address 1";
-$lang["common_address_2"] = "Address 2";
+<?php
+$lang["common_address_1"] = "Adres 1";
+$lang["common_address_2"] = "Adres 2";
 $lang["common_admin"] = "";
-$lang["common_city"] = "City";
+$lang["common_city"] = "Miasto";
 $lang["common_clerk"] = "";
-$lang["common_close"] = "Close";
+$lang["common_close"] = "Zamknij";
 $lang["common_color"] = "";
-$lang["common_comments"] = "Comments";
+$lang["common_comments"] = "Komentarze";
 $lang["common_common"] = "common";
-$lang["common_confirm_search"] = "You have selected one or more rows, these will no longer be selected after your search. Are you sure you want to submit this search?";
+$lang["common_confirm_search"] = "Zaznaczyłeś jeden lub więcej wierszy, nie będą dalej zaznaczone po wyszukaniu. Czy jesteś pewien, że chcesz zatwierdzić to wyszukiwanie?";
 $lang["common_copyrights"] = "© 2010 - %1";
-$lang["common_correct_errors"] = "";
-$lang["common_country"] = "Country";
+$lang["common_correct_errors"] = "Proszę poprawić zidentyfikowane błędy przed zapisaniem";
+$lang["common_country"] = "Kraj";
 $lang["common_dashboard"] = "";
-$lang["common_date"] = "Date";
-$lang["common_delete"] = "Delete";
-$lang["common_det"] = "details";
-$lang["common_download_import_template"] = "Download Import CSV Template (CSV)";
-$lang["common_edit"] = "edit";
+$lang["common_date"] = "Data";
+$lang["common_delete"] = "Usuń";
+$lang["common_det"] = "szczegóły";
+$lang["common_download_import_template"] = "Pobierz szablon importu pliku CSV (.CSV)";
+$lang["common_edit"] = "edytuj";
 $lang["common_email"] = "Email";
-$lang["common_email_invalid_format"] = "The email address is not in the correct format.";
-$lang["common_export_csv"] = "CSV Export";
-$lang["common_export_csv_no"] = "No";
-$lang["common_export_csv_yes"] = "Yes";
-$lang["common_fields_required_message"] = "Fields in red are required";
+$lang["common_email_invalid_format"] = "Adres email nie jest w poprawnym formacie.";
+$lang["common_export_csv"] = "Eksportuj plik CSV";
+$lang["common_export_csv_no"] = "Nie";
+$lang["common_export_csv_yes"] = "Tak";
+$lang["common_fields_required_message"] = "Czerwone pola są wymagane";
 $lang["common_fields_required_message_unique"] = "";
-$lang["common_first_name"] = "First Name";
-$lang["common_first_name_required"] = "First Name is a required field.";
-$lang["common_first_page"] = "First";
-$lang["common_gender"] = "Gender";
-$lang["common_gender_female"] = "F";
-$lang["common_gender_male"] = "M";
+$lang["common_first_name"] = "Imię";
+$lang["common_first_name_required"] = "Imię jest wymagane.";
+$lang["common_first_page"] = "Pierwszy";
+$lang["common_gender"] = "Płeć";
+$lang["common_gender_female"] = "Kobieta";
+$lang["common_gender_male"] = "Mężczyzna";
 $lang["common_gender_undefined"] = "";
-$lang["common_icon"] = "";
-$lang["common_id"] = "Id";
-$lang["common_import"] = "Import";
-$lang["common_import_change_file"] = "Change";
-$lang["common_import_csv"] = "CSV Import";
-$lang["common_import_full_path"] = "Full path to csv file required";
-$lang["common_import_remove_file"] = "Remove";
-$lang["common_import_select_file"] = "Select file";
-$lang["common_inv"] = "inv";
-$lang["common_last_name"] = "Last Name";
-$lang["common_last_name_required"] = "Last Name is a required field.";
-$lang["common_last_page"] = "Last";
-$lang["common_learn_about_project"] = "to learn the latest information about the project.";
-$lang["common_list_of"] = "List of";
-$lang["common_logo"] = "";
-$lang["common_logo_mark"] = "";
+$lang["common_icon"] = "Ikona";
+$lang["common_id"] = "ID";
+$lang["common_import"] = "Importuj";
+$lang["common_import_change_file"] = "Zmień";
+$lang["common_import_csv"] = "Importuj plik CSV";
+$lang["common_import_full_path"] = "Wymagana jest pełna ścieżka do pliku CSV";
+$lang["common_import_remove_file"] = "Usuń";
+$lang["common_import_select_file"] = "Wybierz plik";
+$lang["common_inv"] = "faktura";
+$lang["common_last_name"] = "Nazwisko";
+$lang["common_last_name_required"] = "Nazwisko jest wymaganym polem.";
+$lang["common_last_page"] = "Ostatni";
+$lang["common_learn_about_project"] = "aby dowiedzieć się najważniejszych informacji o projekcie.";
+$lang["common_list_of"] = "Lista";
+$lang["common_logo"] = "Logo";
+$lang["common_logo_mark"] = "Znak";
 $lang["common_logout"] = "Logout";
 $lang["common_manager"] = "";
 $lang["common_migration_needed"] = "A database migration to %1 will start after login.";
-$lang["common_new"] = "New";
+$lang["common_new"] = "Nowy";
 $lang["common_no"] = "";
-$lang["common_no_persons_to_display"] = "There are no people to display.";
-$lang["common_none_selected_text"] = "[Select]";
-$lang["common_or"] = "OR";
+$lang["common_no_persons_to_display"] = "Nie ma osób do wyświetlenia.";
+$lang["common_none_selected_text"] = "[Wybierz]";
+$lang["common_or"] = "LUB";
 $lang["common_people"] = "";
-$lang["common_phone_number"] = "Phone Number";
+$lang["common_phone_number"] = "Numer telefonu";
 $lang["common_phone_number_required"] = "";
-$lang["common_please_visit_my"] = "Please visit the";
+$lang["common_please_visit_my"] = "Proszę odwiedzić";
 $lang["common_position"] = "";
-$lang["common_powered_by"] = "Powered by";
-$lang["common_price"] = "Price";
-$lang["common_print"] = "Print";
-$lang["common_remove"] = "Remove";
-$lang["common_required"] = "Required";
-$lang["common_restore"] = "Restore";
-$lang["common_return_policy"] = "Return Policy";
-$lang["common_search"] = "Search";
-$lang["common_search_options"] = "Search options";
-$lang["common_searched_for"] = "Searched for";
-$lang["common_software_short"] = "";
-$lang["common_software_title"] = "";
-$lang["common_state"] = "State";
-$lang["common_submit"] = "Submit";
-$lang["common_total_spent"] = "Total Spent";
-$lang["common_unknown"] = "Unknown";
-$lang["common_view_recent_sales"] = "View Recent Sales";
-$lang["common_website"] = "website";
-$lang["common_welcome"] = "Welcome";
-$lang["common_welcome_message"] = "Welcome to OSPOS, click a module below to get started.";
+$lang["common_powered_by"] = "Wspierane przez";
+$lang["common_price"] = "Cena";
+$lang["common_print"] = "Wydrukuj";
+$lang["common_remove"] = "Usuń";
+$lang["common_required"] = "Wymagane";
+$lang["common_restore"] = "Przywróć";
+$lang["common_return_policy"] = "Polityka zwrotów";
+$lang["common_search"] = "Szukaj";
+$lang["common_search_options"] = "Opcje wyszukiwania";
+$lang["common_searched_for"] = "Szukano";
+$lang["common_software_short"] = "OSPOS";
+$lang["common_software_title"] = "Otwarto źródłowy punkt sprzedaży";
+$lang["common_state"] = "Status";
+$lang["common_submit"] = "Wyślij";
+$lang["common_total_spent"] = "Całkowite wydatki";
+$lang["common_unknown"] = "Nieznany";
+$lang["common_view_recent_sales"] = "Wyświetl ostatnie sprzedaże";
+$lang["common_website"] = "opensourcepos.org";
+$lang["common_welcome"] = "Witamy";
+$lang["common_welcome_message"] = "Witamy w OSPOS, kliknij moduł, aby rozpocząć.";
 $lang["common_yes"] = "";
 $lang["common_you_are_using_ospos"] = "You are using Open Source Point Of Sale version";
-$lang["common_zip"] = "Postal Code";
+$lang["common_zip"] = "Kod pocztowy";