diff --git a/htdocs/paybox/admin/paybox.php b/htdocs/paybox/admin/paybox.php
index 37e62c1ed01..bee538bf9d5 100644
--- a/htdocs/paybox/admin/paybox.php
+++ b/htdocs/paybox/admin/paybox.php
@@ -222,7 +222,7 @@ print '</td></tr>';
 print '<tr class="oddeven"><td>';
 print $langs->trans("ONLINE_PAYMENT_SENDEMAIL").'</td><td>';
 print '<input size="32" type="text" name="ONLINE_PAYMENT_SENDEMAIL" value="'.$conf->global->ONLINE_PAYMENT_SENDEMAIL.'">';
-print ' &nbsp; '.$langs->trans("Example").': myemail@myserver.com, Payment service <myemail2@myserver2.com>';
+print ' &nbsp; '.$langs->trans("Example").': myemail@myserver.com, Payment service &lt;myemail2@myserver2.com&gt;';
 print '</td></tr>';
 
 // Payment token for URL
diff --git a/htdocs/paypal/admin/paypal.php b/htdocs/paypal/admin/paypal.php
index 2787e8ab470..f15667ced51 100644
--- a/htdocs/paypal/admin/paypal.php
+++ b/htdocs/paypal/admin/paypal.php
@@ -255,7 +255,7 @@ print '</td></tr>';
 print '<tr class="oddeven"><td>';
 print $langs->trans("ONLINE_PAYMENT_SENDEMAIL").'</td><td>';
 print '<input size="32" type="text" name="ONLINE_PAYMENT_SENDEMAIL" value="'.$conf->global->ONLINE_PAYMENT_SENDEMAIL.'">';
-print ' &nbsp; '.$langs->trans("Example").': myemail@myserver.com, Payment service <myemail2@myserver2.com>';
+print ' &nbsp; '.$langs->trans("Example").': myemail@myserver.com, Payment service &lt;myemail2@myserver2.com&gt;';
 print '</td></tr>';
 
 print '<tr class="liste_titre">';
diff --git a/htdocs/stripe/admin/stripe.php b/htdocs/stripe/admin/stripe.php
index 5e6dab4432f..bd95baecd08 100644
--- a/htdocs/stripe/admin/stripe.php
+++ b/htdocs/stripe/admin/stripe.php
@@ -308,7 +308,7 @@ print '</td></tr>';
 print '<tr class="oddeven"><td>';
 print $langs->trans("ONLINE_PAYMENT_SENDEMAIL").'</td><td>';
 print '<input size="32" type="text" name="ONLINE_PAYMENT_SENDEMAIL" value="'.$conf->global->ONLINE_PAYMENT_SENDEMAIL.'">';
-print ' &nbsp; '.$langs->trans("Example").': myemail@myserver.com, Payment service <myemail2@myserver2.com>';
+print ' &nbsp; '.$langs->trans("Example").': myemail@myserver.com, Payment service &lt;myemail2@myserver2.com&gt;';
 print '</td></tr>';
 
 // Payment token for URL