Update content/hardware/07.opta/opta-family/opta/tutorials/18.smart-compressor-app-note/content.md

Author: TaddyHC

content/hardware/07.opta/opta-family/opta/tutorials/18.smart-compressor-app-note/content.md

@@ -54,7 +54,7 @@ The goal of this application note is to showcase the capabilities of Opta PLC in
 - [Arduino IDE 2](https://www.arduino.cc/en/software) or [Arduino Cloud Editor](https://create.arduino.cc/editor)
 - The [Compressor Monitor sketches for Opta and Nicla Sense ME]()
 - The [Arduino Create Agent](https://cloud.arduino.cc/download-agent/) to provision the Opta WiFi on the Arduino Cloud.
-- The [Arduino Cloud](https://cloud.arduino.cc/)
+- The [**Arduino Cloud**](https://cloud.arduino.cc/). If you do not have an account, you can create one for free inside [**cloud.arduino.cc**](https://cloud.arduino.cc/home/?get-started=true).
 
 ## Compressor Monitoring System Setup