diff --git a/src/libnm-core-impl/nm-setting-ip4-config.c b/src/libnm-core-impl/nm-setting-ip4-config.c
index e4914d024..e6a5482d0 100644
--- a/src/libnm-core-impl/nm-setting-ip4-config.c
+++ b/src/libnm-core-impl/nm-setting-ip4-config.c
@@ -893,10 +893,11 @@ nm_setting_ip4_config_class_init(NMSettingIP4ConfigClass *klass)
      * The special value "none" prevents any client identifier from being sent. Note that
      * this is normally not recommended.
      *
-     * If unset, a globally configured default from NetworkManager.conf is used. If still
-     * unset, the default depends on the DHCP plugin. The internal dhcp client will
-     * generate a default value and the dhclient plugin will try to use one from its
-     * config file if present, or won't sent any client-id otherwise.
+     * If unset, a globally configured default from NetworkManager.conf is
+     * used. If still unset, the default depends on the DHCP plugin. The
+     * internal dhcp client will default to "mac" and the dhclient plugin will
+     * try to use one from its config file if present, or won't sent any
+     * client-id otherwise.
      **/
     /* ---nmcli---
      * property: dhcp-client-id