diff --git a/src/www/interfaces.php b/src/www/interfaces.php
index b6f6e86cb..2a4cbce83 100644
--- a/src/www/interfaces.php
+++ b/src/www/interfaces.php
@@ -2839,9 +2839,7 @@ include("head.inc");
                             $track6_prefix_id_hex = !empty($pconfig['track6-prefix-id--hex']) ? $pconfig['track6-prefix-id--hex']: sprintf("%x", $pconfig['track6-prefix-id']);?>
                             <input name="track6-prefix-id--hex" type="text" id="track6-prefix-id--hex" value="<?= $track6_prefix_id_hex ?>" />
                             <div class="hidden" data-for="help_for_track6-prefix-id">
-                              <?= gettext("The value in this field is the (Delegated) IPv6 prefix id. This determines the configurable network ID based on the dynamic IPv6 connection"); ?>
-                              <br />
-                              <?= sprintf(gettext("Enter a hexadecimal value between %x and %x here, default value is 0."), 0, pow(2, calculate_ipv6_delegation_length($pconfig['track6-interface'])) - 1); ?>
+                              <?= gettext('The value in this field is the delegated IPv6 prefix ID. This determines the configurable /64 network ID based on the dynamic IPv6 connection.') ?>
                             </div>
                           </td>
                         </tr>