diff --git a/htdocs/adherents/admin/member.php b/htdocs/adherents/admin/member.php
index 617e8037983..358be3f295d 100644
--- a/htdocs/adherents/admin/member.php
+++ b/htdocs/adherents/admin/member.php
@@ -487,9 +487,16 @@ print '<td>'.$langs->trans("Description").'</td>';
 print '<td class="soixantepercent">'.$langs->trans("Value").'</td>';
 print "</tr>\n";
 
+// Delay to start the new membership ([+/-][0-99][Y/m/d], for instance, with "+4m", the subscription will start in 4 month.)
+print '<tr class="oddeven drag" id="startfirstdayof"><td>';
+print $form->textwithpicto($langs->trans("MemberSubscriptionStartAfter"), $langs->trans("MemberSubscriptionStartAfterDesc").'<br>'.$langs->trans("MemberSubscriptionStartAfterDesc2"));
+print '</td><td>';
+print '<input type="text" class="right width50" id="MEMBER_SUBSCRIPTION_START_AFTER" name="MEMBER_SUBSCRIPTION_START_AFTER" value="'.getDolGlobalString('MEMBER_SUBSCRIPTION_START_AFTER').'">';
+print "</td></tr>\n";
+
 // Start date of new membership
 $startpoint = array();
-$startpoint[0] = $langs->trans("SubscriptionPayment");
+$startpoint[0] = $langs->trans("NoCorrection");
 $startpoint["m"] = $langs->trans("Month");
 $startpoint["Y"] = $langs->trans("Year");
 print '<tr class="oddeven drag" id="startfirstdayof"><td>';
@@ -499,13 +506,6 @@ $startfirstdayof = !getDolGlobalString('MEMBER_SUBSCRIPTION_START_FIRST_DAY_OF')
 print $form->selectarray("MEMBER_SUBSCRIPTION_START_FIRST_DAY_OF", $startpoint, $startfirstdayof, 0);
 print "</td></tr>\n";
 
-// Delay to start the new membership ([+/-][0-99][Y/m/d], for instance, with "+4m", the subscription will start in 4 month.)
-print '<tr class="oddeven drag" id="startfirstdayof"><td>';
-print $langs->trans("MemberSubscriptionStartAfter");
-print '</td><td>';
-print '<input type="text" class="right width50" id="MEMBER_SUBSCRIPTION_START_AFTER" name="MEMBER_SUBSCRIPTION_START_AFTER" value="'.getDolGlobalString('MEMBER_SUBSCRIPTION_START_AFTER').'">';
-print "</td></tr>\n";
-
 // Mail required for members
 print '<tr class="oddeven"><td>'.$langs->trans("AdherentMailRequired").'</td><td>';
 print $form->selectyesno('ADHERENT_MAIL_REQUIRED', getDolGlobalInt('ADHERENT_MAIL_REQUIRED'), 1, false, 0, 1);
diff --git a/htdocs/adherents/subscription.php b/htdocs/adherents/subscription.php
index 62f8ae41968..c6e31ea706c 100644
--- a/htdocs/adherents/subscription.php
+++ b/htdocs/adherents/subscription.php
@@ -978,13 +978,14 @@ if (($action == 'addsubscription' || $action == 'create_thirdparty') && $user->h
 		$datefrom = dol_mktime(0, 0, 0, GETPOSTINT('remonth'), GETPOSTINT('reday'), GETPOSTINT('reyear'));
 	}
 	if (!$datefrom) {
-		$datefrom = $object->datevalid;
+		// Guess the subscription start date
+		$datefrom = $object->datevalid; 	// By default, the subscription start date is the payment date
 		if (getDolGlobalString('MEMBER_SUBSCRIPTION_START_AFTER')) {
 			$datefrom = dol_time_plus_duree($now, (int) substr(getDolGlobalString('MEMBER_SUBSCRIPTION_START_AFTER'), 0, -1), substr(getDolGlobalString('MEMBER_SUBSCRIPTION_START_AFTER'), -1));
 		} elseif ($object->datefin > 0 && dol_time_plus_duree($object->datefin, $defaultdelay, $defaultdelayunit) > $now) {
 			$datefrom = dol_time_plus_duree($object->datefin, 1, 'd');
 		}
-
+		// Now do a correction of the suggested date
 		if (getDolGlobalString('MEMBER_SUBSCRIPTION_START_FIRST_DAY_OF') === "m") {
 			$datefrom = dol_get_first_day(dol_print_date($datefrom, "%Y"), dol_print_date($datefrom, "%m"));
 		} elseif (getDolGlobalString('MEMBER_SUBSCRIPTION_START_FIRST_DAY_OF') === "Y") {
diff --git a/htdocs/langs/en_US/members.lang b/htdocs/langs/en_US/members.lang
index 36e4e0ce347..05cd4df8f3a 100644
--- a/htdocs/langs/en_US/members.lang
+++ b/htdocs/langs/en_US/members.lang
@@ -237,8 +237,11 @@ CreateDolibarrThirdPartyDesc=A third party is the legal entity that will be used
 MemberFirstname=Member firstname
 MemberLastname=Member lastname
 MemberCodeDesc=Member Code, unique for all members
-MemberSubscriptionStartFirstDayOf=The start date of a membership corresponds to the first day of a
-MemberSubscriptionStartAfter=Minimum period before the entry into force of the start date of a subscription except renewals (example +3m = +3 months, -5d = -5 days, +1Y = +1 year)
+MemberSubscriptionStartFirstDayOf=Force the suggested date of a membership to corresponds to the first day of a
+MemberSubscriptionStartAfter=Minimum period before the entry into force of the start date of a first membership subscription (excluding renewals)
+NoCorrection=No correction
+MemberSubscriptionStartAfterDesc=Example: +3m = +3 months, -5d = -5 days, +1Y = +1 year
+MemberSubscriptionStartAfterDesc2=This is the suggested date when creating a first membership subscription compared to the current date. For renewal, the date suggested by default will remain the end of the previous membership.
 SubscriptionLinkedToConciliatedTransaction=Membership is linked to a conciliated transaction so this modification is not allowed.
 ConfirmMassSubsriptionCreation=Confirm subscription creation
 ConfirmMassSubsriptionCreationQuestion=Are you sure you want to create the %s selected subscription(s)?
diff --git a/htdocs/public/payment/paymentok.php b/htdocs/public/payment/paymentok.php
index 082ac3c4d1d..1e172693b16 100644
--- a/htdocs/public/payment/paymentok.php
+++ b/htdocs/public/payment/paymentok.php
@@ -538,14 +538,14 @@ if ($ispaymentok) {
 					}
 				}
 
-				// Subscription information
+				// Guess the subscription start date
 				$datesubscription = $object->datevalid; // By default, the subscription start date is the payment date
 				if ($object->datefin > 0) {
 					$datesubscription = dol_time_plus_duree($object->datefin, 1, 'd');
 				} elseif (getDolGlobalString('MEMBER_SUBSCRIPTION_START_AFTER')) {
 					$datesubscription = dol_time_plus_duree($now, (int) substr(getDolGlobalString('MEMBER_SUBSCRIPTION_START_AFTER'), 0, -1), substr(getDolGlobalString('MEMBER_SUBSCRIPTION_START_AFTER'), -1));
 				}
-
+				// Now do a correction of the suggested date
 				if (getDolGlobalString('MEMBER_SUBSCRIPTION_START_FIRST_DAY_OF') === "m") {
 					$datesubscription = dol_get_first_day(dol_print_date($datesubscription, "%Y"), dol_print_date($datesubscription, "%m"));
 				} elseif (getDolGlobalString('MEMBER_SUBSCRIPTION_START_FIRST_DAY_OF') === "Y") {