Incorrect tool assignment in FSC board replacment guide?

So whyh does this have a t4 in What you need for fsc board replacement, but requires a t5 for the fsc board in the actual guide? I'm confused.

Steam Controller (2nd Gen, 2026) FSC Board Replacement

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0