diff --git a/src/www/services_unbound.php b/src/www/services_unbound.php
index 24d770691..c381ddfe3 100644
--- a/src/www/services_unbound.php
+++ b/src/www/services_unbound.php
@@ -229,13 +229,13 @@ include_once("head.inc");
                         </td>
                       </tr>
                       <tr>
-                        <td><a id="help_for_regdhcp" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("DHCP Registration");?></td>
+                        <td><a id="help_for_regdhcp" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("DHCPv4 Registration");?></td>
                         <td>
                           <input name="regdhcp" type="checkbox" id="regdhcp" value="yes" <?=!empty($pconfig['regdhcp']) ? 'checked="checked"' : '';?> />
-                          <?= gettext('Register DHCP leases') ?>
+                          <?= gettext('Register DHCPv4 leases') ?>
                           <div class="hidden" data-for="help_for_regdhcp">
                             <?= gettext("If this option is set, then machines that specify " .
-                            "their hostname when requesting a DHCP lease will be registered " .
+                            "their hostname when requesting a DHCPv4 lease will be registered " .
                             "in Unbound, so that their name can be resolved."); ?>
                           </div>
                         </td>
@@ -258,10 +258,10 @@ include_once("head.inc");
                           <input name="regdhcpstatic" type="checkbox" id="regdhcpstatic" value="yes" <?=!empty($pconfig['regdhcpstatic']) ? 'checked="checked"' : '';?> />
                           <?= gettext('Register DHCP static mappings') ?>
                           <div class="hidden" data-for="help_for_regdhcpstatic">
-                            <?= sprintf(gettext("If this option is set, then DHCP static mappings will ".
+                            <?= sprintf(gettext("If this option is set, then DHCPv6 and DHCPv4 static mappings will ".
                                 "be registered in Unbound, so that their name can be ".
                                 "resolved. You should also set the domain in %s".
-                                "System: General setup%s to the proper value."),'<a href="system_general.php">','</a>');?>
+                                "System: General setup%s, in the DHCP server settings or for specific static mappings."),'<a href="system_general.php">','</a>');?>
                           </div>
                         </td>
                       </tr>