Fixed broken link (#428)

Author: matthewruzzi

docs/platform-comparison.md

@@ -18,7 +18,7 @@ platforms and their features.
             </tr>
             <tr>
                 <th colspan="2">Website</th>
-                <td><a href="http://mindstorms.lego.com" target="_blank">mindstorms.lego.com</a></td>
+                <td><a href="https://education.lego.com/products/lego-mindstorms-education-ev3-core-set/5003400" target="_blank">education.lego.com</a></td>
                 <td colspan="3"><a href="https://www.dexterindustries.com/BrickPi" target="_blank">dexterindustries.com</a></td>
                 <td><a href="http://www.mindsensors.com/content/78-pistorms-lego-interface" target="_blank">mindsensors.com</a></td>
                 <td><a href="http://fatcatlab.com/product/evb/" target="_blank">fatcatlab.com</a></td>