@RenatoPhoto
In the mac guide theres a lil error iv spotted by the user who used it and must of gotten confused.
Step 7 where it says Select all and choose Auto White balance, this only needs to be done if the xmp's havent been created, if they have, doing this is not not needed, if they dont have xmp's this needs to be done before step 2 or after (only reason i move them is sometimes when using exiftool, if images are on memory card it can be slow, putting them into a folder on your desktop makes the process much quicker). Once all changed to Auto they all need changing back to As Shot (if they was happy with their white balance).
in the same section it says, "Make any edits should you want them" that can be removed.
Cheers.