That is against wikipedia's rules and thus will get reverted. You have to have a secondary source, not a primary source, and you're currently a primary source.
In practice, most trivia on the site follows the "no source at all" policy, including the claim the GP suggested they might revise.
Whether it gets reverted essentially depends on whether someone would bother before it gets lost in the depths of the change history and how the GP chooses to respond if someone did.
Whether it gets reverted essentially depends on whether someone would bother before it gets lost in the depths of the change history and how the GP chooses to respond if someone did.