diff --git a/docs/devel/qom.rst b/docs/devel/qom.rst
index c9237950d0..2828843058 100644
--- a/docs/devel/qom.rst
+++ b/docs/devel/qom.rst
@@ -26,7 +26,7 @@ features:
    typedef DeviceClass MyDeviceClass;
    typedef struct MyDevice
    {
-       DeviceState parent;
+       DeviceState parent_obj;
 
        int reg0, reg1, reg2;
    } MyDevice;
@@ -147,7 +147,7 @@ will also have a wrapper function to call it easily:
 
    typedef struct MyDeviceClass
    {
-       DeviceClass parent;
+       DeviceClass parent_class;
 
        void (*frobnicate) (MyDevice *obj);
    } MyDeviceClass;