diff --git a/content/learn/05.communication/07.modbus/modbus.md b/content/learn/05.communication/07.modbus/modbus.md
index 7436e82080..51935c7c73 100644
--- a/content/learn/05.communication/07.modbus/modbus.md
+++ b/content/learn/05.communication/07.modbus/modbus.md
@@ -13,7 +13,7 @@ This article contains information about the Modbus serial communication protocol
 - All boards compatible with the [Ethernet Shield Rev2](https://docs.arduino.cc/hardware/ethernet-shield-rev2)
 - [Portenta Machine Control](https://docs.arduino.cc/hardware/portenta-machine-control)
 - [Portenta Max Carrier](https://docs.arduino.cc/hardware/portenta-max-carrier)
-- Opta™
+- [Opta™](https://docs.arduino.cc/hardware/opta)
 
 ### Libraries
 - [ArduinoRS485](https://www.arduino.cc/reference/en/libraries/arduinors485/)
@@ -132,4 +132,4 @@ As this article does not cover all types of Modbus implementation, focusing on M
 - https://modbus.org/
 - https://www.csimn.com/CSI_pages/Modbus101.html
 - https://en.wikipedia.org/wiki/Modbus
-- https://docs.arduino.cc/tutorials/mkr-485-shield/mkr-485-communication
\ No newline at end of file
+- https://docs.arduino.cc/tutorials/mkr-485-shield/mkr-485-communication