calc problems with comments

how can i modify the arrow line on comments in calc? and how can i set where in the cell the arrow points at oder so?

“how can i modify the arrow line on comments in calc?”

You can modify it only together with the all of other Line segments of the Comment box. Right click on the Comment box - Line menu item:

Sorry, I noticed it as a new question…

Seems a lot of old posts are suddenly popping to the top of the list. I find it off putting.