diff --git a/htdocs/admin/agenda_xcal.php b/htdocs/admin/agenda_xcal.php
index 65b6d64bc5a..e44332aeee0 100644
--- a/htdocs/admin/agenda_xcal.php
+++ b/htdocs/admin/agenda_xcal.php
@@ -185,7 +185,7 @@ $urlvcal = '<a href="'.$urlwithroot.'/public/agenda/agendaexport.php?format=vcal
 $urlvcal .= $urlwithroot.'/public/agenda/agendaexport.php?format=vcal'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : 'KEYNOTDEFINED').'</a>';
 $message .= img_picto('', 'globe').' '.str_replace('{url}', $urlvcal, '<span class="opacitymedium">'.$langs->trans("WebCalUrlForVCalExport", 'vcal', '').'</span>');
 $message .= '<div class="urllink">';
-$message .= '<input type="text" id="onlinepaymenturl1" class="quatrevingtpercent" value="'.$urlwithroot.'/public/agenda/agendaexport.php?format=vcal'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : '...').'">';
+$message .= '<input type="text" id="onlinepaymenturl1" class="quatrevingtpercent" spellcheck="false" value="'.$urlwithroot.'/public/agenda/agendaexport.php?format=vcal'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : '...').'">';
 if (getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) {
 	$message .= ' <a href="'.$urlwithroot.'/public/agenda/agendaexport.php?format=vcal'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : '...').'">'.img_picto('', 'download').'</a>';
 }
@@ -197,7 +197,7 @@ $urlical = '<a href="'.$urlwithroot.'/public/agenda/agendaexport.php?format=ical
 $urlical .= $urlwithroot.'/public/agenda/agendaexport.php?format=ical&type=event'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : 'KEYNOTDEFINED').'</a>';
 $message .= img_picto('', 'globe').' '.str_replace('{url}', $urlical, '<span class="opacitymedium">'.$langs->trans("WebCalUrlForVCalExport", 'ical/ics', '').'</span>');
 $message .= '<div class="urllink">';
-$message .= '<input type="text" id="onlinepaymenturl2" class="quatrevingtpercent" value="'.$urlwithroot.'/public/agenda/agendaexport.php?format=ical'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : '...').'">';
+$message .= '<input type="text" id="onlinepaymenturl2" class="quatrevingtpercent" spellcheck="false" value="'.$urlwithroot.'/public/agenda/agendaexport.php?format=ical'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : '...').'">';
 if (getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) {
 	$message .= ' <a href="'.$urlwithroot.'/public/agenda/agendaexport.php?format=ical'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : '...').'">'.img_picto('', 'download').'</a>';
 }
@@ -209,7 +209,7 @@ $urlrss = '<a href="'.$urlwithroot.'/public/agenda/agendaexport.php?format=rss'.
 $urlrss .= $urlwithroot.'/public/agenda/agendaexport.php?format=rss'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : 'KEYNOTDEFINED').'</a>';
 $message .= img_picto('', 'globe').' '.str_replace('{url}', $urlrss, '<span class="opacitymedium">'.$langs->trans("WebCalUrlForVCalExport", 'rss', '').'</span>');
 $message .= '<div class="urllink">';
-$message .= '<input type="text" id="onlinepaymenturl3" class="quatrevingtpercent" value="'.$urlwithroot.'/public/agenda/agendaexport.php?format=rss'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : '...').'">';
+$message .= '<input type="text" id="onlinepaymenturl3" class="quatrevingtpercent" spellcheck="false" value="'.$urlwithroot.'/public/agenda/agendaexport.php?format=rss'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : '...').'">';
 if (getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) {
 	$message .= ' <a href="'.$urlwithroot.'/public/agenda/agendaexport.php?format=rss'.$getentity.'&exportkey='.($conf->global->MAIN_AGENDA_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY')) : '...').'">'.img_picto('', 'download').'</a>';
 }
diff --git a/htdocs/admin/fichinter_xcal.php b/htdocs/admin/fichinter_xcal.php
index df02ac02a86..64e3e8fa854 100644
--- a/htdocs/admin/fichinter_xcal.php
+++ b/htdocs/admin/fichinter_xcal.php
@@ -186,7 +186,7 @@ $urlvcal = '<a href="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=v
 $urlvcal .= $urlwithroot.'/public/fichinter/agendaexport.php?format=vcal'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : 'KEYNOTDEFINED').'</a>';
 $message .= img_picto('', 'globe').' '.str_replace('{url}', $urlvcal, '<span class="opacitymedium">'.$langs->trans("WebCalUrlForVCalExport", 'vcal', '').'</span>');
 $message .= '<div class="urllink">';
-$message .= '<input type="text" id="onlinepaymenturl1" class="quatrevingtpercent" value="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=vcal'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : '...').'">';
+$message .= '<input type="text" id="onlinepaymenturl1" class="quatrevingtpercent" spellcheck="false" value="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=vcal'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : '...').'">';
 if (getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) {
 	$message .= ' <a href="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=vcal'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : '...').'">'.img_picto('', 'download').'</a>';
 }
@@ -198,7 +198,7 @@ $urlical = '<a href="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=i
 $urlical .= $urlwithroot.'/public/fichinter/agendaexport.php?format=ical&type=event'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : 'KEYNOTDEFINED').'</a>';
 $message .= img_picto('', 'globe').' '.str_replace('{url}', $urlical, '<span class="opacitymedium">'.$langs->trans("WebCalUrlForVCalExport", 'ical/ics', '').'</span>');
 $message .= '<div class="urllink">';
-$message .= '<input type="text" id="onlinepaymenturl2" class="quatrevingtpercent" value="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=ical'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : '...').'">';
+$message .= '<input type="text" id="onlinepaymenturl2" class="quatrevingtpercent" spellcheck="false" value="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=ical'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : '...').'">';
 if (getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) {
 	$message .= ' <a href="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=ical'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : '...').'">'.img_picto('', 'download').'</a>';
 }
@@ -210,7 +210,7 @@ $urlrss = '<a href="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=rs
 $urlrss .= $urlwithroot.'/public/fichinter/agendaexport.php?format=rss'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : 'KEYNOTDEFINED').'</a>';
 $message .= img_picto('', 'globe').' '.str_replace('{url}', $urlrss, '<span class="opacitymedium">'.$langs->trans("WebCalUrlForVCalExport", 'rss', '').'</span>');
 $message .= '<div class="urllink">';
-$message .= '<input type="text" id="onlinepaymenturl3" class="quatrevingtpercent" value="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=rss'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : '...').'">';
+$message .= '<input type="text" id="onlinepaymenturl3" class="quatrevingtpercent" spellcheck="false" value="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=rss'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : '...').'">';
 if (getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) {
 	$message .= ' <a href="'.$urlwithroot.'/public/fichinter/agendaexport.php?format=rss'.$getentity.'&exportkey='.($conf->global->MAIN_FICHINTER_XCAL_EXPORTKEY ? urlencode(getDolGlobalString('MAIN_FICHINTER_XCAL_EXPORTKEY')) : '...').'">'.img_picto('', 'download').'</a>';
 }
diff --git a/htdocs/core/lib/payments.lib.php b/htdocs/core/lib/payments.lib.php
index c299a33ed35..ed2c1ac5e53 100644
--- a/htdocs/core/lib/payments.lib.php
+++ b/htdocs/core/lib/payments.lib.php
@@ -216,7 +216,7 @@ function showOnlinePaymentUrl($type, $ref, $amount = 0)
 
 	$out = img_picto('', 'globe').' <span class="opacitymedium">'.$langs->trans("ToOfferALinkForOnlinePayment", $servicename).'</span><br>';
 	$url = getOnlinePaymentUrl(0, $type, $ref, $amount);
-	$out .= '<div class="urllink"><input type="text" id="onlinepaymenturl" class="quatrevingtpercentminusx" value="'.$url.'">';
+	$out .= '<div class="urllink"><input type="text" id="onlinepaymenturl" spellcheck="false" class="quatrevingtpercentminusx" value="'.$url.'">';
 	$out .= '<a class="" href="'.$url.'" target="_blank" rel="noopener noreferrer">'.img_picto('', 'globe', 'class="paddingleft"').'</a>';
 	$out .= '</div>';
 	$out .= ajax_autoselect("onlinepaymenturl", 0);
diff --git a/htdocs/eventorganization/conferenceorbooth_card.php b/htdocs/eventorganization/conferenceorbooth_card.php
index cd023944416..16105fe3338 100644
--- a/htdocs/eventorganization/conferenceorbooth_card.php
+++ b/htdocs/eventorganization/conferenceorbooth_card.php
@@ -658,7 +658,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 					$url = getOnlinePaymentUrl(0, $sourcetouse, $reftouse);
 					$url .= '&booth='.$object->id;
 
-					print '<div class="urllink"><input type="text" id="onlinepaymenturl" class="quatrevingtpercent" value="'.$url.'">';
+					print '<div class="urllink"><input type="text" id="onlinepaymenturl" spellcheck="false" class="quatrevingtpercent" value="'.$url.'">';
 					print '<a href="'.$url.'" target="_blank" rel="noopener noreferrer">'.img_picto('', 'globe', 'class="paddingleft"').'</a></div>';
 				}
 			}