Update Readme.md

Author: Dirkster99

Readme.md

@@ -22,7 +22,7 @@ This means, the application always sees only one unit and a different value whil
 <img src="https://github.com/Dirkster99/Docu/blob/master/UnitComboLib/MetroLight_Pt.png" width="100"/>
 </td>
 </td><td valign="bottom">
-<img src="https://github.com/Dirkster99/Docu/blob/master/UnitComboLib/MetroLight_PopUp.png" width="200"/>
+<img src="https://github.com/Dirkster99/Docu/blob/master/UnitComboLib/MetroLight_PopUp.png" width="250"/>
 </td>
 </tr>
 </table>