diff --git a/libnm-core/nm-setting-ip6-config.c b/libnm-core/nm-setting-ip6-config.c
index bafdb373ce..44379ef727 100644
--- a/libnm-core/nm-setting-ip6-config.c
+++ b/libnm-core/nm-setting-ip6-config.c
@@ -666,7 +666,7 @@ nm_setting_ip6_config_class_init (NMSettingIP6ConfigClass *klass)
 
 	/* ---ifcfg-rh---
 	 * property: dhcp-hostname
-	 * variable: DHCP_HOSTNAME
+	 * variable: DHCPV6_HOSTNAME
 	 * description: Hostname to send the DHCP server.
 	 * ---end---
 	 */