/**
* @class AliHLTSampleComponent1
- * @brief An HLT sample component
+ * @brief An HLT sample component.
+ * This component does not any data processing at all. It just
+ * illustrates the existence of several components in ine library and
+ * allows to set up a very simple chain with different components.
* @ingroup alihlt_tutorial
*/
class AliHLTSampleComponent1 : public AliHLTProcessor {