Magnetometer.md

@@ -8,7 +8,7 @@ Xylophone bar magnetometer
     <td width="45%">
 <img src="http://gitlab.onelab.info/getdp/getdp/raw/master/benchmarks/magnetometer/screenshot1_512.png">
     </td>
-    <td>
+    <td width="45%">
 <img src="http://gitlab.onelab.info/getdp/getdp/raw/master/benchmarks/magnetometer/screenshot2_512.png">
     </td>
   </tr>