Magnetometer.md

 <table>
   <tr>
-    <th colspan="2" style="text-align:center">
+    <th colspan="2" style="text-align:center;font-weight:bold">
 Xylophone bar magnetometer
     </th>
   </tr>
@@ -13,12 +13,17 @@ Xylophone bar magnetometer
     </td>
   </tr>
   <tr>
-    <th colspan="2">
+    <th colspan="2" style="text-align:center">
+Download <a href="http://onelab.info/files/magnetometer.zip">model archive (magnetometer.zip)</a><br>
 Browse <a href="http://gitlab.onelab.info/getdp/getdp/tree/master/benchmarks/magnetometer/">model files</a>
     </th>
   </tr>
 </table>
 
+## Quick start
+
+To run the model, open `magnetometer.pro` with Gmsh.
+
 ## Additional information
 
 This is a 3D, multiphysics