Index: arch/mips32/src/drivers/serial.c
===================================================================
--- arch/mips32/src/drivers/serial.c	(revision 25d77096d63abbb97d50a9cafaf9e3e5379a6f5d)
+++ arch/mips32/src/drivers/serial.c	(revision abbc16e9bc4db4ecd88808e50f3cf7b37cb85310)
@@ -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 mips32	
+ * @{
+ */
+/** @file
  */
 
@@ -137,2 +143,6 @@
 	stdout = &console;
 }
+
+ /** @}
+ */
+