diff --git a/docs/guidelines_of_approaches/mppnet.md b/docs/guidelines_of_approaches/mppnet.md
index f56b45c6e..41cecede1 100644
--- a/docs/guidelines_of_approaches/mppnet.md
+++ b/docs/guidelines_of_approaches/mppnet.md
@@ -49,7 +49,7 @@ For each GPU, BATCH_SIZE should be at least equal to 2.  When using 16-frame, th
 python test.py --cfg_file cfgs/waymo_models/mppnet_4frames.yaml  --batch_size  1 \
 --ckpt  ../output/waymo_models/mppnet_4frames/default/ckpt/checkpoint_epoch_6.pth
 # Multiple GPUs
-bash scripts/dist_test.sh ${NUM_GPUS} --cfgs/waymo_models/mppnet_4frames.yaml  --batch_size  1 \
+bash scripts/dist_test.sh ${NUM_GPUS} --cfg_file cfgs/waymo_models/mppnet_4frames.yaml  --batch_size  1 \
 --ckpt  ../output/waymo_models/mppnet_4frames/default/ckpt/checkpoint_epoch_6.pth
 ```
 To avoid OOM, set BATCH_SIZE=1.
@@ -70,4 +70,4 @@ The default parameters in mppnet_e2e_memorybank_inference.yaml is for 4-frame an
 |  [mppnet_4frames](../../tools/cfgs/waymo_models/mppnet_4frames.yaml) | 81.54/81.06 | 74.07/73.61 | 84.56/81.94 | 77.20/74.67 | 77.15/76.50 | 75.01/74.38 |
 | [mppnet_16frames](../../tools/cfgs/waymo_models/mppnet_16frames.yaml) | 82.74/82.28 | 75.41/74.96 | 84.69/82.25 | 77.43/75.06 | 77.28/76.66 | 75.13/74.52 |
 
-The reported performance of MPPNet is trained with 6 epoch with  `USE_ROI_AUG`  and  `USE_TRAJ_AUG`  flags enabled.
\ No newline at end of file
+The reported performance of MPPNet is trained with 6 epoch with  `USE_ROI_AUG`  and  `USE_TRAJ_AUG`  flags enabled.