Merge pull request #557 from JKRhb/thingdiscoveryprocess-uri

fix(ThingDiscoveryProcess): clarify usage of url field

Author: relu91

index.html

@@ -3804,7 +3804,7 @@ <h2>The <dfn>ThingDiscoveryProcess</dfn> interface</h2>
       <tr>
         <td><dfn>[[\url]]</dfn></td>
         <td>`undefined`</td>
-        <td>A {{URL}} representing the <a>TD Directory</a> in a discovery.</td>
+        <td>A {{URL}} representing the <a>TD Directory</a> when used within the `exploreDirectory()` method.</td>
       </tr>
       </tbody>
     </table>