SwissQR: add a More info to help with potential errors

htdocs/admin/pdf_other.php

@@ -153,7 +153,7 @@ if (isModEnabled('facture')) {
 	print '</td></tr>';
 
 	print '<tr class="oddeven"><td>';
-	print $form->textwithpicto($langs->trans("INVOICE_ADD_SWISS_QR_CODE"), '');
+	print $form->textwithpicto($langs->trans("INVOICE_ADD_SWISS_QR_CODE"), $langs->trans("INVOICE_ADD_SWISS_QR_CODEMore"));
 	print '</td><td>';
 	if ($conf->use_javascript_ajax) {
 		print ajax_constantonoff('INVOICE_ADD_SWISS_QR_CODE');

htdocs/langs/en_US/admin.lang

@@ -2326,6 +2326,7 @@ IconOnly=Icon only - Text on tooltip only
 INVOICE_ADD_ZATCA_QR_CODE=Show the ZATCA QR code on invoices
 INVOICE_ADD_ZATCA_QR_CODEMore=Some Arabic countries need this QR Code on their invoices
 INVOICE_ADD_SWISS_QR_CODE=Show the swiss QR-Bill code on invoices
+INVOICE_ADD_SWISS_QR_CODEMore=Switzerland's standard for invoices; make sure ZIP&City are filled and that the accounts have valid Swiss/Liechtenstein IBANs.
 INVOICE_SHOW_SHIPPING_ADDRESS=Show shipping address
 INVOICE_SHOW_SHIPPING_ADDRESSMore=Compulsory mention for France
 UrlSocialNetworksDesc=Url link of social network. Use {socialid} for the variable part that contains the social network ID.