[pytorch/executorch][diff_train] [doc] Fix tokenizer related documentation (#10000)#10048

kimishpatel wants to merge 1 commit intogh/kimishpatel/176/basepytorch/executorch:gh/kimishpatel/176/basefrom

gh/kimishpatel/176/headpytorch/executorch:gh/kimishpatel/176/headCopy head branch name to clipboard