diff --git a/htdocs/compta/charges/index.php b/htdocs/compta/charges/index.php
index c43322eb981..15106aaffc7 100644
--- a/htdocs/compta/charges/index.php
+++ b/htdocs/compta/charges/index.php
@@ -154,7 +154,7 @@ if (isModEnabled('tax') && $user->hasRight('tax', 'charges', 'lire')) {
 	print "</tr>\n";
 
 	$sql = "SELECT c.id, c.libelle as label,";
-	$sql .= " cs.rowid, cs.libelle, cs.fk_type as type, cs.periode, cs.date_ech, cs.amount as total,";
+	$sql .= " cs.rowid, cs.libelle, cs.fk_type as type, cs.periode as period, cs.date_ech, cs.amount as total,";
 	$sql .= " pc.rowid as pid, pc.datep, pc.amount as totalpaid, pc.num_paiement as num_payment, pc.fk_bank,";
 	$sql .= " pct.code as payment_code,";
 	$sql .= " ba.rowid as bid, ba.ref as bref, ba.number as bnumber, ba.account_number, ba.fk_accountancy_journal, ba.label as blabel";
@@ -168,8 +168,8 @@ if (isModEnabled('tax') && $user->hasRight('tax', 'charges', 'lire')) {
 	$sql .= " AND cs.entity IN (".getEntity("tax").")";
 	if ($year > 0) {
 		$sql .= " AND (";
-		// Si period renseignee on l'utilise comme critere de date, sinon on prend date echeance,
-		// ceci afin d'etre compatible avec les cas ou la periode n'etait pas obligatoire
+		// If period defined, we use it as dat criteria, if not  we use date echeance,
+		// so we are compatible when period is not mandatory
 		$sql .= "   (cs.periode IS NOT NULL AND cs.periode between '".$db->idate(dol_get_first_day($year))."' AND '".$db->idate(dol_get_last_day($year))."')";
 		$sql .= " OR (cs.periode IS NULL AND cs.date_ech between '".$db->idate(dol_get_first_day($year))."' AND '".$db->idate(dol_get_last_day($year))."')";
 		$sql .= ")";
@@ -190,9 +190,10 @@ if (isModEnabled('tax') && $user->hasRight('tax', 'charges', 'lire')) {
 
 		while ($i < min($num, $limit)) {
 			$obj = $db->fetch_object($resql);
+
 			print '<tr class="oddeven">';
 			// Date
-			$date = $obj->periode;
+			$date = $obj->period;
 			if (empty($date)) {
 				$date = $obj->date_ech;
 			}
@@ -284,8 +285,8 @@ if (isModEnabled('tax') && $user->hasRight('tax', 'charges', 'lire')) {
 	$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."c_paiement as pct ON ptva.fk_typepaiement = pct.id";
 	$sql .= " WHERE pv.entity IN (".getEntity("tax").")";
 	if ($year > 0) {
-		// Si period renseignee on l'utilise comme critere de date, sinon on prend date echeance,
-		// ceci afin d'etre compatible avec les cas ou la periode n'etait pas obligatoire
+		// If period defined, we use it as dat criteria, if not  we use date echeance,
+		// so we are compatible when period is not mandatory
 		$sql .= " AND pv.datev between '".$db->idate(dol_get_first_day($year, 1, false))."' AND '".$db->idate(dol_get_last_day($year, 12, false))."'";
 	}
 	if (preg_match('/^pv\./', $sortfield) || preg_match('/^ptva\./', $sortfield)) {
@@ -409,8 +410,8 @@ while ($j < $numlt) {
 	$sql .= " FROM ".MAIN_DB_PREFIX."localtax as pv";
 	$sql .= " WHERE pv.entity = ".$conf->entity." AND localtaxtype = ".((int) $j);
 	if ($year > 0) {
-		// Si period renseignee on l'utilise comme critere de date, sinon on prend date echeance,
-		// ceci afin d'etre compatible avec les cas ou la periode n'etait pas obligatoire
+		// If period defined, we use it as dat criteria, if not  we use date echeance,
+		// so we are compatible when period is not mandatory
 		$sql .= " AND pv.datev between '".$db->idate(dol_get_first_day($year, 1, false))."' AND '".$db->idate(dol_get_last_day($year, 12, false))."'";
 	}
 	if (preg_match('/^pv/', $sortfield)) {