diff --git a/libnm-core/nm-dbus-interface.h b/libnm-core/nm-dbus-interface.h
index 7963e28679..b4cbd1793e 100644
--- a/libnm-core/nm-dbus-interface.h
+++ b/libnm-core/nm-dbus-interface.h
@@ -571,8 +571,8 @@ typedef enum {
  *   initiated by user-requested action via the D-Bus interface, as opposed to
  *   automatically initiated by NetworkManager in response to (for example) scan
  *   results or carrier changes.
- * @NM_SECRET_AGENT_GET_SECRETS_FLAG_ONLY_SYSTEM: (Internal flag, not part of
- *   the D-Bus API.)
+ * @NM_SECRET_AGENT_GET_SECRETS_FLAG_ONLY_SYSTEM: Internal flag, not part of
+ *   the D-Bus API.
  *
  * #NMSecretAgentGetSecretsFlags values modify the behavior of a GetSecrets request.
  *
diff --git a/libnm/nm-dhcp4-config.c b/libnm/nm-dhcp4-config.c
index e012491dfa..2bf84fa408 100644
--- a/libnm/nm-dhcp4-config.c
+++ b/libnm/nm-dhcp4-config.c
@@ -137,7 +137,7 @@ nm_dhcp4_config_class_init (NMDhcp4ConfigClass *config_class)
 	 *
 	 * The #GHashTable containing options of the configuration.
 	 *
-	 * Type: GLib.HashTable(utf8,GObject.Value)
+	 * Type: GLib.HashTable(utf8,utf8)
 	 **/
 	g_object_class_install_property
 		(object_class, PROP_OPTIONS,
diff --git a/libnm/nm-dhcp6-config.c b/libnm/nm-dhcp6-config.c
index 2dfdb59f27..498f1d3b4c 100644
--- a/libnm/nm-dhcp6-config.c
+++ b/libnm/nm-dhcp6-config.c
@@ -137,7 +137,7 @@ nm_dhcp6_config_class_init (NMDhcp6ConfigClass *config_class)
 	 *
 	 * The #GHashTable containing options of the configuration.
 	 *
-	 * Type: GLib.HashTable(utf8,GObject.Value)
+	 * Type: GLib.HashTable(utf8,utf8)
 	 **/
 	g_object_class_install_property
 		(object_class, PROP_OPTIONS,