fix typos

VALID_DATA="data/RACE/dev/middle \

            data/RACE/dev/high"

VOCAB_FILE=bert-vocab.txt

PRETRIANED_CHECKPOINT=checkpoints/bert_345m

PRETRAINED_CHECKPOINT=checkpoints/bert_345m

CHECKPOINT_PATH=checkpoints/bert_345m_race

python -m torch.distributed.launch $DISTRIBUTED_ARGS ./tasks/main.py \

               --tokenizer-type BertWordPieceLowerCase \

               --vocab-file $VOCAB_FILE \

               --epochs 3 \

               --pretrained-checkpoint $PRETRIANED_CHECKPOINT \

               --pretrained-checkpoint $PRETRAINED_CHECKPOINT \

               --model-parallel-size 1 \

               --num-layers 24 \

               --hidden-size 1024 \

               --warmup 0.06 \

               --seq-length 512 \

               --max-position-embeddings 512 \

               --save-interval 500000 \

               --save-interval 100000 \

               --save $CHECKPOINT_PATH \

               --log-interval 10 \

               --eval-interval 100 \