Which one is correct?

I’ve added changes/fixes which we discussed yesterday.


I’ve added changes/fixes about which we discussed yesterday.


2 Answers 2


You don't need the about. However, I would probably also remove the which and add a the, making it:

I've added the changes/fixes we discussed yesterday.

  • 3
    I'd phrase this stronger: it's not just that you don't need the "about", it's that the "about" is incorrect.
    – Marthaª
    Commented Nov 19, 2010 at 16:38

"Discuss" is transitive; you discuss a thing, you never discuss about a thing. As such, "about which we discussed" is simply incorrect.

Compare to "talk". You talk about a thing, you never "talk a thing". So the opposite would be true and you would have to say "the thing about which we talked", in this case.

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