What do you mean with unable to edit?

You have 10 minutes after posting for editing.

Hmm where is the edit button?

Edit: nvm, found it, I've never actually looked at a comment if mine just after posting it.

Edit2: this was a great thing to learn about even if I made a fool of myself, worth it!

Edit: nvm, found it,

lol, I see what you did here. Could have been shorted to "Edit: ", lol

No worries, everyone makes mistake :) Some make more funny mistakes than other, however, haha