diff --git a/htdocs/admin/pdf.php b/htdocs/admin/pdf.php
index fd8377b0a27..1e015d69f9c 100644
--- a/htdocs/admin/pdf.php
+++ b/htdocs/admin/pdf.php
@@ -309,7 +309,7 @@ print '<tr class="liste_titre"><td class="titlefieldmiddle">'.$langs->trans("Par
 
 // Show sender name
 
-/* Set option as hidden because no need of this for 99.99% of users.
+/* Set option as hidden because no need of this for 99.99% of users. Having it as hidden feature is enough.
 print '<tr class="oddeven"><td>'.$langs->trans("MAIN_PDF_HIDE_SENDER_NAME").'</td><td>';
 if ($conf->use_javascript_ajax) {
 	print ajax_constantonoff('MAIN_PDF_HIDE_SENDER_NAME');
@@ -321,7 +321,7 @@ print '</td></tr>';
 
 // Hide VAT Intra on address
 
-print '<tr class="oddeven"><td>'.$langs->trans("ShowVATIntaInAddress").'</td><td>';
+print '<tr class="oddeven"><td>'.$langs->trans("ShowVATIntaInAddress").' - <span class="opacitymedium">'.$langs->trans("ThirdPartyAddress").'</span></td><td>';
 if ($conf->use_javascript_ajax) {
 	print ajax_constantonoff('MAIN_TVAINTRA_NOT_IN_ADDRESS');
 } else {
@@ -340,7 +340,7 @@ for ($i = 1; $i <= 6; $i++) {
 		$pid = img_warning().' <span class="error">'.$langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("CompanyCountry")).'</span>';
 	}
 	if ($pid) {
-		print '<tr class="oddeven"><td>'.$langs->trans("ShowProfIdInAddress").' - '.$pid.'</td><td>';
+		print '<tr class="oddeven"><td>'.$langs->trans("ShowProfIdInAddress").' - '.$pid.' - <span class="opacitymedium">'.$langs->trans("ThirdPartyAddress").'</span></td><td>';
 		$keyforconstant = 'MAIN_PROFID'.$i.'_IN_ADDRESS';
 		if ($conf->use_javascript_ajax) {
 			print ajax_constantonoff($keyforconstant);
diff --git a/htdocs/langs/en_US/companies.lang b/htdocs/langs/en_US/companies.lang
index 093fb47189d..b1438691cd9 100644
--- a/htdocs/langs/en_US/companies.lang
+++ b/htdocs/langs/en_US/companies.lang
@@ -19,6 +19,7 @@ ProspectionArea=Prospection area
 IdThirdParty=Id third party
 IdCompany=Company Id
 IdContact=Contact Id
+ThirdPartyAddress=Third-party address
 ThirdPartyContacts=Third-party contacts
 ThirdPartyContact=Third-party contact/address
 Company=Company