Original sentence: The most common rumor is that Mario's brother Luigi is a secret character in the game, and was fueled by blurry text on a plaque beneath a star statue in the castle courtyard that reportedly states "L is real 2401" (as opposed to another common interpretation, "Eternal Star", which is more logical given its context)
Edited sentence: The most common rumor is that Mario's brother Luigi is a secret character in the game, and was fueled by blurry text in the castle courtyard that reportedly states "L is real 2401"