Fix english

htdocs/langs/en_US/admin.lang

htdocs/langs/en_US/agenda.lang

htdocs/langs/en_US/banks.lang

htdocs/langs/en_US/bills.lang

htdocs/langs/en_US/categories.lang

htdocs/langs/en_US/commercial.lang

htdocs/langs/en_US/companies.lang

htdocs/langs/en_US/contracts.lang

htdocs/langs/en_US/cron.lang

htdocs/langs/en_US/deliveries.lang

htdocs/langs/en_US/donations.lang

htdocs/langs/en_US/ecm.lang

htdocs/langs/en_US/help.lang

htdocs/langs/en_US/hrm.lang

htdocs/langs/en_US/install.lang

htdocs/langs/en_US/interventions.lang

htdocs/langs/en_US/mails.lang

htdocs/langs/en_US/main.lang

htdocs/langs/en_US/members.lang

htdocs/langs/en_US/orders.lang