async docs: CB & promises - sp fix and clarifications #4690
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in the Callbacks section, there's a typo here:
**titled** christmas tree
. I was going to fix totilted
and then decided to update that topyramid of doom
since that seemed more well-known.in the Promises/Futures section, the existing wording is unclear re: when the promise is returned:
we're promised that at some point it will return with an object called a Promise
. So I clarified that with a few more words, aiming to keep existing simplicity without overcomplicating.