diff --git a/src/archutils/Darwin/DarwinThreadHelpers.h b/src/archutils/Darwin/DarwinThreadHelpers.h
index ac8dfbe2c4..e697cb9536 100644
--- a/src/archutils/Darwin/DarwinThreadHelpers.h
+++ b/src/archutils/Darwin/DarwinThreadHelpers.h
@@ -1,16 +1,34 @@
 #ifndef DARWIN_THREAD_HELPERS_H
 #define DARWIN_THREAD_HELPERS_H
 
+/**
+ * @brief Attempt to suspend the specified thread.
+ * @param threadHandle the thread to suspend.
+ * @return true if the thread is suspended, false otherwise. */
 bool SuspendThread( uint64_t threadHandle );
+/**
+ * @brief Attempt to resume the specified thread.
+ * @param threadHandle the thread to resume.
+ * @return true if the thread is resumed, false otherwise. */
 bool ResumeThread( uint64_t threadHandle );
+/**
+ * @brief Retrieve the current thread ID.
+ * @return the current thread ID. */
 uint64_t GetCurrentThreadId();
-// Valid values are from 0.0f to 1.0f. 0.5f is default.
+/**
+ * @brief Set the precedence for the thread.
+ *
+ * Valid values for the thread are from 0.0f to 1.0f.
+ * 0.5f is the default.
+ * @param prec the precedence to set. */
 RString SetThreadPrecedence( float prec );
 
 #endif
 
-/*
- * (c) 2004-2006 Steve Checkoway
+/**
+ * @file
+ * @author Steve Checkoway (c) 2004-2006
+ * @section LICENSE
  * All rights reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a