Clarify the text about ghosts and puppets in Matrix

[DataBeaver]

Muistin / sain viimein aikaseks tehä tän selvennyksen mistä oli puhetta jo pari kuukautta sitte.

[DataBeaver]

Let me know if you want me to have another go at rewriting it in a less technical way. And hopefully not take two months to do it this time...

[Mikaela]

I think it's fine since it's a technical subject anyway

[Mikaela]

Thanks again and also thanks to everyone who reviewed either here or on Matrix 💜