diff --git a/application/language/en-US/config_lang.php b/application/language/en-US/config_lang.php
index bdd8fe0df..558dfc859 100644
--- a/application/language/en-US/config_lang.php
+++ b/application/language/en-US/config_lang.php
@@ -1,7 +1,7 @@
 <?php 
 
 $lang["config_address"] = "Company Address";
-$lang["config_address_required"] = "Company address is a required field";
+$lang["config_address_required"] = "Company address is a required field.";
 $lang["config_apostrophe"] = "apostrophe";
 $lang["config_backup_button"] = "Backup";
 $lang["config_backup_database"] = "Backup Database";
@@ -12,7 +12,7 @@ $lang["config_barcode_content"] = "Barcode Content";
 $lang["config_barcode_first_row"] = "Row 1";
 $lang["config_barcode_font"] = "Font";
 $lang["config_barcode_formats"] = "Input Formats";
-$lang["config_barcode_generate_if_empty"] = "Generate if empty";
+$lang["config_barcode_generate_if_empty"] = "Generate if empty.";
 $lang["config_barcode_height"] = "Height (px)";
 $lang["config_barcode_id"] = "Item Id/Name";
 $lang["config_barcode_info"] = "Barcode Configuration Information";
@@ -20,7 +20,7 @@ $lang["config_barcode_layout"] = "Barcode Layout";
 $lang["config_barcode_name"] = "Name";
 $lang["config_barcode_number"] = "Barcode";
 $lang["config_barcode_number_in_row"] = "Number in row";
-$lang["config_barcode_page_cellspacing"] = "Display page cellspacing";
+$lang["config_barcode_page_cellspacing"] = "Display page cellspacing.";
 $lang["config_barcode_page_width"] = "Display page width";
 $lang["config_barcode_price"] = "Price";
 $lang["config_barcode_quality"] = "Quality (1-100)";
@@ -40,7 +40,7 @@ $lang["config_company_logo"] = "Company Logo";
 $lang["config_company_remove_image"] = "Remove Image";
 $lang["config_company_required"] = "Company name is a required field";
 $lang["config_company_select_image"] = "Select Image";
-$lang["config_company_website_url"] = "Company website is not a valid URL (http://...)";
+$lang["config_company_website_url"] = "Company website is not a valid URL (http://...).";
 $lang["config_country_codes"] = "Country Codes";
 $lang["config_country_codes_tooltip"] = "Comma separated list of country codes for nominatim address lookup.";
 $lang["config_currency_decimals"] = "Currency Decimals";
@@ -56,44 +56,44 @@ $lang["config_custom7"] = "Custom Field 7";
 $lang["config_custom8"] = "Custom Field 8";
 $lang["config_custom9"] = "Custom Field 9";
 $lang["config_customer_reward"] = "Reward";
-$lang["config_customer_reward_duplicate"] = "Please use a unique reward name";
+$lang["config_customer_reward_duplicate"] = "Reward must be unique.";
 $lang["config_customer_reward_enable"] = "Enable Customer Rewards";
-$lang["config_customer_reward_invalid_chars"] = "Reward Name can not contain '_'";
+$lang["config_customer_reward_invalid_chars"] = "Reward can not contain '_'";
 $lang["config_customer_reward_required"] = "Reward is a required field";
 $lang["config_customer_sales_tax_support"] = "Customer Sales Tax Support";
 $lang["config_date_or_time_format"] = "Date and Time Filter";
 $lang["config_datetimeformat"] = "Date and Time Format";
 $lang["config_decimal_point"] = "Decimal Point";
-$lang["config_default_barcode_font_size_number"] = "Default Barcode Font Size must be a number";
-$lang["config_default_barcode_font_size_required"] = "Default Barcode Font Size is a required field";
-$lang["config_default_barcode_height_number"] = "Default Barcode Height must be a number";
-$lang["config_default_barcode_height_required"] = "Default Barcode Height is a required field";
-$lang["config_default_barcode_num_in_row_number"] = "Default Barcode Number in Row must be a number";
-$lang["config_default_barcode_num_in_row_required"] = "Default Barcode Number in Row is a required field";
-$lang["config_default_barcode_page_cellspacing_number"] = "Default Barcode Page Cellspacing must be a number";
-$lang["config_default_barcode_page_cellspacing_required"] = "Default Barcode Page Cellspacing is a required field";
-$lang["config_default_barcode_page_width_number"] = "Default Barcode Page Width must be a number";
-$lang["config_default_barcode_page_width_required"] = "Default Barcode Page Width is a required field";
-$lang["config_default_barcode_quality_number"] = "Default Barcode Quality must be a number";
-$lang["config_default_barcode_quality_required"] = "Default Barcode Quality is a required field";
-$lang["config_default_barcode_width_number"] = "Default Barcode Width must be a number";
-$lang["config_default_barcode_width_required"] = "Default Barcode Width is a required field";
+$lang["config_default_barcode_font_size_number"] = "Default Barcode Font Size must be a number.";
+$lang["config_default_barcode_font_size_required"] = "Default Barcode Font Size is a required field.";
+$lang["config_default_barcode_height_number"] = "Default Barcode Height must be a number.";
+$lang["config_default_barcode_height_required"] = "Default Barcode Height is a required field.";
+$lang["config_default_barcode_num_in_row_number"] = "Default Barcode Number in Row must be a number.";
+$lang["config_default_barcode_num_in_row_required"] = "Default Barcode Number in Row is a required field.";
+$lang["config_default_barcode_page_cellspacing_number"] = "Default Barcode Page Cellspacing must be a number.";
+$lang["config_default_barcode_page_cellspacing_required"] = "Default Barcode Page Cellspacing is a required field.";
+$lang["config_default_barcode_page_width_number"] = "Default Barcode Page Width must be a number.";
+$lang["config_default_barcode_page_width_required"] = "Default Barcode Page Width is a required field.";
+$lang["config_default_barcode_quality_number"] = "Default Barcode Quality must be a number.";
+$lang["config_default_barcode_quality_required"] = "Default Barcode Quality is a required field.";
+$lang["config_default_barcode_width_number"] = "Default Barcode Width must be a number.";
+$lang["config_default_barcode_width_required"] = "Default Barcode Width is a required field.";
 $lang["config_default_origin_tax_code"] = "Default Origin Tax Code";
 $lang["config_default_sales_discount"] = "Default Sales Discount %";
-$lang["config_default_sales_discount_number"] = "Default Sales Discount must be a number";
-$lang["config_default_sales_discount_required"] = "Default Sales Discount is a required field";
-$lang["config_default_tax_name_number"] = "Default Tax Name must be a string";
-$lang["config_default_tax_name_required"] = "Default Tax Name is a required field";
+$lang["config_default_sales_discount_number"] = "Default Sales Discount must be a number.";
+$lang["config_default_sales_discount_required"] = "Default Sales Discount is a required field.";
+$lang["config_default_tax_name_number"] = "Default Tax Name must be a string.";
+$lang["config_default_tax_name_required"] = "Default Tax Name is a required field.";
 $lang["config_default_tax_rate"] = "Default Tax Rate %";
 $lang["config_default_tax_rate_1"] = "Tax 1 Rate";
 $lang["config_default_tax_rate_2"] = "Tax 2 Rate";
-$lang["config_default_tax_rate_number"] = "Default Tax Rate must be a number";
-$lang["config_default_tax_rate_required"] = "Default Tax Rate is a required field";
+$lang["config_default_tax_rate_number"] = "Default Tax Rate must be a number.";
+$lang["config_default_tax_rate_required"] = "Default Tax Rate is a required field.";
 $lang["config_dinner_table"] = "Table";
-$lang["config_dinner_table_duplicate"] = "Please use a unique table name";
+$lang["config_dinner_table_duplicate"] = "Table must be unique.";
 $lang["config_dinner_table_enable"] = "Enable Dinner Tables";
-$lang["config_dinner_table_invalid_chars"] = "Table Name can not contain '_'";
-$lang["config_dinner_table_required"] = "Table is a required field";
+$lang["config_dinner_table_invalid_chars"] = "Table Name can not contain '_'.";
+$lang["config_dinner_table_required"] = "Table is a required field.";
 $lang["config_dot"] = "dot";
 $lang["config_email"] = "Email";
 $lang["config_email_configuration"] = "Email Configuration";
@@ -106,7 +106,7 @@ $lang["config_email_smtp_port"] = "SMTP Port";
 $lang["config_email_smtp_timeout"] = "SMTP Timeout (s)";
 $lang["config_email_smtp_user"] = "SMTP Username";
 $lang["config_fax"] = "Fax";
-$lang["config_financial_year"] = "Financial Year Start";
+$lang["config_financial_year"] = "Fiscal Year Start";
 $lang["config_financial_year_apr"] = "1st of April";
 $lang["config_financial_year_aug"] = "1st of August";
 $lang["config_financial_year_dec"] = "1st of December";
@@ -124,7 +124,7 @@ $lang["config_gcaptcha_secret_key"] = "reCAPTCHA Secret Key";
 $lang["config_gcaptcha_secret_key_required"] = "reCAPTCHA Secret Key is a required field";
 $lang["config_gcaptcha_site_key"] = "reCAPTCHA Site Key";
 $lang["config_gcaptcha_site_key_required"] = "reCAPTCHA Site Key is a required field";
-$lang["config_gcaptcha_tooltip"] = "Protect the Login page with Google reCAPTCHA, click the icon for an API key pair";
+$lang["config_gcaptcha_tooltip"] = "Protect the Login page with Google reCAPTCHA, click the icon for an API key pair.";
 $lang["config_general"] = "General";
 $lang["config_general_configuration"] = "General Configuration";
 $lang["config_giftcard_number"] = "Gift Card Number";
@@ -148,21 +148,21 @@ $lang["config_license_configuration"] = "License Statement";
 $lang["config_line_sequence"] = "Line Sequence";
 $lang["config_lines_per_page"] = "Lines per Page";
 $lang["config_lines_per_page_number"] = "";
-$lang["config_lines_per_page_required"] = "Lines per Page is a required field";
+$lang["config_lines_per_page_required"] = "Lines per Page is a required field.";
 $lang["config_locale"] = "Localization";
 $lang["config_locale_configuration"] = "Localization Configuration";
 $lang["config_locale_info"] = "Localization Configuration Information";
 $lang["config_location"] = "Stock";
 $lang["config_location_configuration"] = "Stock Locations";
 $lang["config_location_info"] = "Location Configuration Information";
-$lang["config_logout"] = "Don't you want to make a backup before logging out? Click [OK] to backup, [Cancel] to logout";
+$lang["config_logout"] = "Don't you want to make a backup before logging out? Click [OK] to backup, [Cancel] to logout.";
 $lang["config_mailchimp"] = "Mailchimp";
 $lang["config_mailchimp_api_key"] = "Mailchimp API Key";
 $lang["config_mailchimp_configuration"] = "Mailchimp Configuration";
-$lang["config_mailchimp_key_successfully"] = "Valid API Key";
-$lang["config_mailchimp_key_unsuccessfully"] = "Invalid API Key";
+$lang["config_mailchimp_key_successfully"] = "API Key is valid.";
+$lang["config_mailchimp_key_unsuccessfully"] = "API Key is invalid.";
 $lang["config_mailchimp_lists"] = "Mailchimp List(s)";
-$lang["config_mailchimp_tooltip"] = "Click the icon for an API key";
+$lang["config_mailchimp_tooltip"] = "Click the icon for an API Key.";
 $lang["config_message"] = "Message";
 $lang["config_message_configuration"] = "Message Configuration";
 $lang["config_msg_msg"] = "Saved Text Message";
@@ -177,34 +177,34 @@ $lang["config_none"] = "none";
 $lang["config_notify_alignment"] = "Notification Popup Position";
 $lang["config_number_format"] = "Number Format";
 $lang["config_number_locale"] = "Localization";
-$lang["config_number_locale_invalid"] = "The entered locale is invalid. Check the link in the tooltip to find a valid locale";
-$lang["config_number_locale_required"] = "Number Locale is a required field";
-$lang["config_number_locale_tooltip"] = "Find a suitable locale through this link";
+$lang["config_number_locale_invalid"] = "The entered locale is invalid. Check the link in the tooltip to find a valid locale.";
+$lang["config_number_locale_required"] = "Number Locale is a required field.";
+$lang["config_number_locale_tooltip"] = "Find a suitable locale through this link.";
 $lang["config_payment_options_order"] = "Payment Options Order";
 $lang["config_phone"] = "Company Phone";
-$lang["config_phone_required"] = "Company Phone is a required field";
+$lang["config_phone_required"] = "Company Phone is a required field.";
 $lang["config_print_bottom_margin"] = "Margin Bottom";
-$lang["config_print_bottom_margin_number"] = "Margin Bottom must be a number";
-$lang["config_print_bottom_margin_required"] = "Margin Bottom is a required field";
+$lang["config_print_bottom_margin_number"] = "Margin Bottom must be a number.";
+$lang["config_print_bottom_margin_required"] = "Margin Bottom is a required field.";
 $lang["config_print_footer"] = "Print Browser Footer";
 $lang["config_print_header"] = "Print Browser Header";
 $lang["config_print_left_margin"] = "Margin Left";
-$lang["config_print_left_margin_number"] = "Margin Left must be a number";
-$lang["config_print_left_margin_required"] = "Margin Left is a required field";
+$lang["config_print_left_margin_number"] = "Margin Left must be a number.";
+$lang["config_print_left_margin_required"] = "Margin Left is a required field.";
 $lang["config_print_right_margin"] = "Margin Right";
-$lang["config_print_right_margin_number"] = "Margin Right must be a number";
-$lang["config_print_right_margin_required"] = "Margin Right is a required field";
+$lang["config_print_right_margin_number"] = "Margin Right must be a number.";
+$lang["config_print_right_margin_required"] = "Margin Right is a required field.";
 $lang["config_print_silently"] = "Show Print Dialog";
 $lang["config_print_top_margin"] = "Margin Top";
-$lang["config_print_top_margin_number"] = "Margin Top must be a number";
-$lang["config_print_top_margin_required"] = "Margin Top is a required field";
+$lang["config_print_top_margin_number"] = "Margin Top must be a number.";
+$lang["config_print_top_margin_required"] = "Margin Top is a required field.";
 $lang["config_quantity_decimals"] = "Quantity Decimals";
 $lang["config_receipt"] = "Receipt";
 $lang["config_receipt_configuration"] = "Receipt Print Settings";
 $lang["config_receipt_default"] = "Default";
 $lang["config_receipt_font_size"] = "Font Size";
-$lang["config_receipt_font_size_number"] = "Font Size must be a number";
-$lang["config_receipt_font_size_required"] = "Font Size is a required field";
+$lang["config_receipt_font_size_number"] = "Font Size must be a number.";
+$lang["config_receipt_font_size_required"] = "Font Size is a required field.";
 $lang["config_receipt_info"] = "Receipt Configuration Information";
 $lang["config_receipt_printer"] = "Ticket Printer";
 $lang["config_receipt_short"] = "Short";
@@ -217,20 +217,20 @@ $lang["config_receipt_template"] = "Receipt Template";
 $lang["config_receiving_calculate_average_price"] = "Calc avg. Price (Receiving)";
 $lang["config_recv_invoice_format"] = "Receivings Invoice Format";
 $lang["config_register_mode_default"] = "Default Register Mode";
-$lang["config_return_policy_required"] = "Return policy is a required field";
+$lang["config_return_policy_required"] = "Return policy is a required field.";
 $lang["config_reward"] = "Reward";
 $lang["config_reward_configuration"] = "Reward Configuration";
 $lang["config_right"] = "Right";
 $lang["config_sales_invoice_format"] = "Sales Invoice Format";
 $lang["config_sales_quote_format"] = "Sales Quote Format";
-$lang["config_saved_successfully"] = "Configuration saved successfully";
-$lang["config_saved_unsuccessfully"] = "Configuration saved unsuccessfully";
+$lang["config_saved_successfully"] = "Configuration save successful.";
+$lang["config_saved_unsuccessfully"] = "Configuration save failed.";
 $lang["config_statistics"] = "Send Statistics";
-$lang["config_statistics_tooltip"] = "Send statistics for development and feature improvement purposes";
+$lang["config_statistics_tooltip"] = "Send statistics for development and feature improvement purposes.";
 $lang["config_stock_location"] = "Stock location";
-$lang["config_stock_location_duplicate"] = "Stock Location must be unique";
-$lang["config_stock_location_invalid_chars"] = "Stock Location can not contain '_'";
-$lang["config_stock_location_required"] = "Stock location is a required field";
+$lang["config_stock_location_duplicate"] = "Stock Location must be unique.";
+$lang["config_stock_location_invalid_chars"] = "Stock Location can not contain '_'.";
+$lang["config_stock_location_required"] = "Stock location is a required field.";
 $lang["config_table"] = "Table";
 $lang["config_table_configuration"] = "Table Configuration";
 $lang["config_takings_printer"] = "Receipt Printer";