diff --git a/src/www/services_dhcp_edit.php b/src/www/services_dhcp_edit.php
index 8f6f9656f..4c308bbea 100644
--- a/src/www/services_dhcp_edit.php
+++ b/src/www/services_dhcp_edit.php
@@ -353,7 +353,7 @@ include("head.inc");
                   <td>
                     <input name="hostname" type="text" value="<?=$pconfig['hostname'];?>" />
                     <div class="hidden" data-for="help_for_hostname">
-                      <?=gettext("Name of the host, without domain part.");?>
+                      <?=gettext("Name of the host, without domain part. If no IP address is given above, hostname will not be resolved by Unbound DNS.");?>
                     </div>
                   </td>
                 </tr>
diff --git a/src/www/services_dhcpv6_edit.php b/src/www/services_dhcpv6_edit.php
index b363d8e4c..95473ce18 100644
--- a/src/www/services_dhcpv6_edit.php
+++ b/src/www/services_dhcpv6_edit.php
@@ -188,7 +188,7 @@ include("head.inc");
                     <td>
                       <input name="hostname" type="text" value="<?=$pconfig['hostname'];?>" />
                       <div class="hidden" data-for="help_for_hostname">
-                        <?=gettext("Name of the host, without domain part.");?>
+                        <?=gettext("Name of the host, without domain part. If no IP address is given above, hostname will not be resolved by Unbound DNS.");?>
                       </div>
                     </td>
                   </tr>