am 8b6ac78e: am 5305627d: Doc change: New doc that describes how market filters work

Merge commit '8b6ac78e7476251c8fc38c29a2b95f2dadfdbacc' into kraken

* commit '8b6ac78e7476251c8fc38c29a2b95f2dadfdbacc':
  Doc change: New doc that describes how market filters work