adding explanation

rowers/templates/workoutstats.html

@@ -49,6 +49,13 @@
     </table>
   </li>
   <li class="grid_2">
+    <p>Gold Medal Standard: The best performance, relative to world class rowers
+      of your age, gender and weight category,
+      found in this workout. This metric uses your power data over time and
+      compares them with the power that the best rowers of your age, gender and weight category
+      can hold over time.</p>
+      <p>Gold Medal Standard Duration: The time interval over which your best
+        performance in this workout was achieved.</p>
     <p>rPower: Equivalent steady state power for the duration of the workout.</p>
     <p>Heart Rate Drift: Comparing heart rate normalized for average power for the first and second half of the workout</p>
     <p>TRIMP: TRaining IMPact. A way to combine duration and heart rate into a single number.</p>
@@ -69,7 +76,7 @@
       </form>
   </li>
 
-  
+
   {% if stats %}
   <li class="grid_4">
     <h2>Statistics</h2>
@@ -164,7 +171,7 @@
         </tr>
         {% endfor %}
       </tbody>
-    </table>  
+    </table>
   </li>
   {% endif %}
 </ul>