Update content/learn/07.built-in-libraries/04.software-serial/software-serial.md

Co-authored-by: Josefine Hansson <[email protected]>

Author: per1234

Diff for: content/learn/07.built-in-libraries/04.software-serial/software-serial.md

@@ -32,7 +32,7 @@ If your project requires simultaneous data flows, see Paul Stoffregen's [AltSoft
 | --------------------------------------------------------------------------------------------------- | -------------------------------------------- | --------- |
 | [Arduino 101](/retired/boards/arduino-101-619/)                                                     | 0-12, 14 (A0) - 19 (A5)                      |           |
 | [Leonardo](/hardware/leonardo/)<br />[Micro](/hardware/micro/)<br />[Yún Rev2](/hardware/yun-rev2/) | 8, 9, 10, 11, 14 (MISO), 15 (SCK), 16 (MOSI) | Any       |
-| [Mega](/retired/other/hardware-pictures/)<br />[Mega 2560](/hardware/mega-2560/)                    | 10-15, 50-53, A8 (62)-A15 (69)               | Any       |
+| [Mega](/retired/other/hardware-pictures/)<br />[Mega 2560 Rev3](/hardware/mega-2560/)               | 10-15, 50-53, A8 (62)-A15 (69)               | Any       |
 | [Nano](/hardware/nano/)                                                                             | 0-19 (A5)                                    | 0-19 (A5) |
 | [Nano Every](/hardware/nano-every/)<br />[UNO WiFi Rev2](/hardware/uno-wifi-rev2/)                  | Any                                          | Any       |
 | [UNO R3](/hardware/uno-rev3/)                                                                       | Any                                          | Any       |