comment/code mismatch

[bl0x]

In this line:

https://github.com/BrunoLevy/learn-fpga/blob/9154327d2eb34f548c8d39949213fda892418215/FemtoRV/TUTORIALS/FROM_BLINKER_TO_RISCV/step6.v#L50

Either the comment should be:

# add x3, x1, x2

or the instruction is wrong. I suspect that the comment was not updated.