Mention Edge in browser support

index.html

@@ -185,7 +185,7 @@
     <tr><th>Firefox</th><td>version 4 and up</td></tr>
     <tr><th>Chrome</th><td>any version</td></tr>
     <tr><th>Safari</th><td>version 5.2 and up</td></tr>
-    <tr><th style="padding-right: 1em;">Internet Explorer</th><td>version 8 and up</td></tr>
+    <tr><th style="padding-right: 1em;">Internet Explorer/Edge</th><td>version 8 and up</td></tr>
     <tr><th>Opera</th><td>version 9 and up</td></tr>
   </table>
   <p>Support for modern mobile browsers is experimental. Recent