Fixed broken link

Author: karlsoderby

content/hardware/03.nano/boards/nano-33-iot/suggestions.md

@@ -3,7 +3,7 @@
     Learn how to connect the Nano 33 IoT to IFTTT to send an email each time an action is performed
   </EssentialElement>
 
-<EssentialElement title="Nano 33 IoT alarm with the Arduino IoT Cloud" type="tutorial" link="/tutorials/nano-33-iot/IoT_Cloud">
+<EssentialElement title="Nano 33 IoT alarm with the Arduino IoT Cloud" type="tutorial" link="/tutorials/nano-33-iot/iot-cloud">
     Learn how to create an alarm with the Nano 33 IoT controlled by the Arduino IoT Cloud.
   </EssentialElement>
 </EssentialsColumn>