diff --git a/docs/reference/api/ModemManager-sections.txt b/docs/reference/api/ModemManager-sections.txt
index 214cc7fe..9b3e4f3d 100644
--- a/docs/reference/api/ModemManager-sections.txt
+++ b/docs/reference/api/ModemManager-sections.txt
@@ -59,19 +59,18 @@ MMSmsCdmaServiceCategory
 <SECTION>
 <FILE>mm-errors</FILE>
 <TITLE>Errors</TITLE>
-MMConnectionError
-MMCoreError
-MMMessageError
-MMMobileEquipmentError
-MMSerialError
-MMCdmaActivationError
-<SUBSECTION Private>
-MM_CDMA_ACTIVATION_ERROR_DBUS_PREFIX
-MM_CONNECTION_ERROR_DBUS_PREFIX
 MM_CORE_ERROR_DBUS_PREFIX
-MM_MESSAGE_ERROR_DBUS_PREFIX
 MM_MOBILE_EQUIPMENT_ERROR_DBUS_PREFIX
+MM_CONNECTION_ERROR_DBUS_PREFIX
 MM_SERIAL_ERROR_DBUS_PREFIX
+MM_MESSAGE_ERROR_DBUS_PREFIX
+MM_CDMA_ACTIVATION_ERROR_DBUS_PREFIX
+MMCoreError
+MMMobileEquipmentError
+MMConnectionError
+MMSerialError
+MMMessageError
+MMCdmaActivationError
 </SECTION>
 
 <SECTION>
diff --git a/include/ModemManager-errors.h b/include/ModemManager-errors.h
index 3bcacd7b..854e83ac 100644
--- a/include/ModemManager-errors.h
+++ b/include/ModemManager-errors.h
@@ -31,12 +31,59 @@
  * ModemManager interface.
  **/
 
-#define MM_CORE_ERROR_DBUS_PREFIX             MM_DBUS_ERROR_PREFIX ".Core"
+/**
+ * MM_CORE_ERROR_DBUS_PREFIX:
+ *
+ * DBus prefix for #MMCoreError errors.
+ *
+ * Since: 1.0
+ */
+#define MM_CORE_ERROR_DBUS_PREFIX MM_DBUS_ERROR_PREFIX ".Core"
+
+/**
+ * MM_MOBILE_EQUIPMENT_ERROR_DBUS_PREFIX:
+ *
+ * DBus prefix for #MMMobileEquipmentError errors.
+ *
+ * Since: 1.0
+ */
 #define MM_MOBILE_EQUIPMENT_ERROR_DBUS_PREFIX MM_DBUS_ERROR_PREFIX ".MobileEquipment"
-#define MM_CONNECTION_ERROR_DBUS_PREFIX       MM_DBUS_ERROR_PREFIX ".Connection"
-#define MM_SERIAL_ERROR_DBUS_PREFIX           MM_DBUS_ERROR_PREFIX ".Serial"
-#define MM_MESSAGE_ERROR_DBUS_PREFIX          MM_DBUS_ERROR_PREFIX ".Message"
-#define MM_CDMA_ACTIVATION_ERROR_DBUS_PREFIX  MM_DBUS_ERROR_PREFIX ".CdmaActivation"
+
+/**
+ * MM_CONNECTION_ERROR_DBUS_PREFIX:
+ *
+ * DBus prefix for #MMConnectionError errors.
+ *
+ * Since: 1.0
+ */
+#define MM_CONNECTION_ERROR_DBUS_PREFIX MM_DBUS_ERROR_PREFIX ".Connection"
+
+/**
+ * MM_SERIAL_ERROR_DBUS_PREFIX:
+ *
+ * DBus prefix for #MMSerialError errors.
+ *
+ * Since: 1.0
+ */
+#define MM_SERIAL_ERROR_DBUS_PREFIX MM_DBUS_ERROR_PREFIX ".Serial"
+
+/**
+ * MM_MESSAGE_ERROR_DBUS_PREFIX:
+ *
+ * DBus prefix for #MMMessageError errors.
+ *
+ * Since: 1.0
+ */
+#define MM_MESSAGE_ERROR_DBUS_PREFIX MM_DBUS_ERROR_PREFIX ".Message"
+
+/**
+ * MM_CDMA_ACTIVATION_ERROR_DBUS_PREFIX:
+ *
+ * DBus prefix for #MMCdmaActivationError errors.
+ *
+ * Since: 1.0
+ */
+#define MM_CDMA_ACTIVATION_ERROR_DBUS_PREFIX MM_DBUS_ERROR_PREFIX ".CdmaActivation"
 
 /**
  * MMCoreError: