updated next link in compile software

Author: balotofi

how-tos/compile_software.md

@@ -72,8 +72,5 @@ Before compiling the software, ensure:
 * [PIC C CCS Documentation](https://www.ccsinfo.com/)
 
 
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 [Previous]({{site.url}}/how-tos){: .btn .btn-purple }
-[Next]({{site.url}}/how-tos){: .btn}
+[Next]({{site.url}}/how-tos/flash_microcontroller.html){: .btn}

how-tos/index.md

@@ -45,4 +45,4 @@ For troubleshooting, reference documentation, and best practices, refer to:
 
 If you encounter issues or need further clarification, feel free to reach out to the development team.  
 
-[Next]({{site.url}}/how-tos/assemble_access_board.html){: .btn}
+[Next]({{site.url}}/how-tos/flash_microcontroller.html)  {: .btn}