@@ -21,16 +21,23 @@
 
 /* Haiku used to define this for some unknown reason which causes trouble */
 #ifdef protected
 # undef protected
 #endif
+
+/*! @file */
 
 @class OFDate;
 @class OFSortedList;
 @class OFRunLoop;
 
 #ifdef OF_HAVE_BLOCKS
+/*!
+ * @brief A block to be executed in a new thread.
+ *
+ * @return The object which should be returned when the thread is joined
+ */
 typedef id (^of_thread_block_t)(void);
 #endif
 
 /*!
  * @brief A class which provides portable threads.