Index: arch/ppc32/include/byteorder.h
===================================================================
--- arch/ppc32/include/byteorder.h	(revision 31282f940723523c6314a58050d8aa88a08875cf)
+++ arch/ppc32/include/byteorder.h	(revision b45c443eb976adbe668a3f855f749cf0ad3a5b3f)
@@ -25,4 +25,10 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+ /** @addtogroup ppc32	
+ * @{
+ */
+/** @file
  */
 
@@ -63,2 +69,6 @@
 
 #endif
+
+ /** @}
+ */
+