Update content.md (#1428)

fixed link of OPTA docs page

Author: akash73

content/hardware/07.opta/opta-family/opta/tutorials/user-manual/content.md

@@ -106,7 +106,7 @@ In the PLC IDE, you can mix PLC programming with standard Arduino sketches withi
 Check out the following resources that will show you how to start with the Arduino PLC IDE and use use IEC 61131-3 programming languages with Opta™:
 
 - [Arduino PLC IDE download page](https://www.arduino.cc/pro/software-plc-ide)
-- [Arduino PLC IDE and Opta™ tutorials](https://docs.arduino.cc/hardware/opta)
+- [Arduino PLC IDE and Opta™ tutorials](https://docs.arduino.cc/software/plc-ide)
 
 ### Pinout
 
@@ -1599,4 +1599,4 @@ Join our community forum to connect with other Opta™ devices users, share your
 
 Please get in touch with our support team if you need personalized assistance or have questions not covered by the help and support resources described before. We're happy to help you with any issues or inquiries about Opta™ devices.
 
-- [Contact us page](https://www.arduino.cc/en/contact-us/)  
+- [Contact us page](https://www.arduino.cc/en/contact-us/)