Was Mr. Johnson entitled to vacatur of his conviction for assaulting federal officers where the essential element of the charge that he acted 'forcibly' was not alleged in the indictment, but instead the indictment alleged that he acted 'feloniously,' and he was not advised of the elements of the charge at his arraignment?

Was Mr. Johnson entitled to vacatur of his conviction for assaulting federal officers where the essential element of the charge that Mr. Johnson acted “forcibly” was not alleged in the indictment, but instead the indictment alleged that he acted “felonious ly,” and he was not advised of the elements of the charge at his arraignment?