diff --git a/src/libnm-core-public/nm-dbus-interface.h b/src/libnm-core-public/nm-dbus-interface.h
index 2f9378cd24..d676373273 100644
--- a/src/libnm-core-public/nm-dbus-interface.h
+++ b/src/libnm-core-public/nm-dbus-interface.h
@@ -428,7 +428,7 @@ typedef enum { /*< flags >*/
  * @NM_DEVICE_MODEM_CAPABILITY_GSM_UMTS: modem supports at least one of GSM,
  * GPRS, EDGE, UMTS, HSDPA, HSUPA, or HSPA+ packet switched data capability
  * @NM_DEVICE_MODEM_CAPABILITY_LTE: modem has LTE data capability
- * @NM_DEVICE_MODEM_CAPABILITY_5GNR: modem has 5GNR data capability
+ * @NM_DEVICE_MODEM_CAPABILITY_5GNR: modem has 5GNR data capability (Since: 1.36)
  *
  * #NMDeviceModemCapabilities values indicate the generic radio access
  * technology families a modem device supports.  For more information on the