How can I center the Title above a Gaph builder Plot?

[#1]

[#2 · Accepted solution]

Right Click on the title -> Span -> Graph contents. This centers the title over just the graph, rather than the [graph and axis titles]. Does that fix the issue? 

[#3]

wonderful - thanks :)

Ah, it can be set via the preferences:

one of the few settings which I dare to change ...