Inserting long note (or caption) under a graph

[Zuhumnan Dapel]

Dear Users,
I have an explanatory caption of about 200 characters. How do I add this using more than 1 line?

Thanks,
Dapel

[Clyde Schechter]

sysuse auto, clear
graph twoway scatter weight length, note("first note line" "second note line")

[Zuhumnan Dapel]

Thanks. How can this be done after the graph is produced and formatted?