diff --git a/htdocs/public/payment/paymentok.php b/htdocs/public/payment/paymentok.php
index b589a6c37e0..50a2de7bc68 100644
--- a/htdocs/public/payment/paymentok.php
+++ b/htdocs/public/payment/paymentok.php
@@ -918,7 +918,7 @@ if ($ispaymentok) {
 		// TODO send email with acknowledgment for the donation
 		//      (need that the donation module can gen a pdf document for the cerfa with pre filled content)
 	} elseif (array_key_exists('ATT', $tmptag) && $tmptag['ATT'] > 0) {
-		// Record payment
+		// Record payment for attendee
 		include_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 		$object = new Facture($db);
 		$result = $object->fetch($ref);
@@ -1090,7 +1090,7 @@ if ($ispaymentok) {
 			$ispostactionok = -1;
 		}
 	} elseif (array_key_exists('BOO', $tmptag) && $tmptag['BOO'] > 0) {
-		// Record payment
+		// Record payment for booth or conference
 		include_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 		$object = new Facture($db);
 		$result = $object->fetch($ref);