doc: Update data directory path comments
doc: Update data directory path comments

Github-Pull: #20080
Rebased-From: ad5cef5dfdd5802fc187a52e74d940a52f420a51

DigitalPandacoin/pandacoin,DigitalPandacoin/pandacoin,monacoinproject/monacoin,DigitalPandacoin/pandacoin,peercoin/peercoin,monacoinproject/monacoin,monacoinproject/monacoin,monacoinproject/monacoin,DigitalPandacoin/pandacoin,peercoin/peercoin,peercoin/peercoin,monacoinproject/monacoin,peercoin/peercoin,monacoinproject/monacoin,peercoin/peercoin,DigitalPandacoin/pandacoin,peercoin/peercoin,DigitalPandacoin/pandacoin