!7119 add comment in Readme

Merge pull request !7119 from wukesong/add-readme-comment

model_zoo/official/cv/alexnet/README.md

@@ -159,7 +159,7 @@ Before running the command below, please check the checkpoint path used for eval
 
   ```
   python eval.py --data_path cifar-10-verify-bin --ckpt_path ckpt/checkpoint_alexnet-1_1562.ckpt > log.txt 2>&1 &
-  or enter script dir, and run the script
+  # or enter script dir, and run the script
   sh run_standalone_eval_ascend.sh cifar-10-verify-bin ckpt/checkpoint_alexnet-1_1562.ckpt
   ```
 
@@ -174,7 +174,7 @@ Before running the command below, please check the checkpoint path used for eval
 
   ```
   python eval.py --device_target "GPU" --data_path cifar-10-verify-bin --ckpt_path ckpt/checkpoint_alexnet-30_1562.ckpt > log.txt 2>&1 &
-  or enter script dir, and run the script
+  # or enter script dir, and run the script
   sh run_standalone_eval_for_gpu.sh cifar-10-verify-bin ckpt/checkpoint_alexnet-30_1562.ckpt
   ```
 

model_zoo/official/cv/lenet/README.md

@@ -119,7 +119,7 @@ Major parameters in train.py and config.py as follows:
 
 ```
 python train.py --data_path Data --ckpt_path ckpt > log.txt 2>&1 &  
-or enter script dir, and run the script
+# or enter script dir, and run the script
 sh run_standalone_train_ascend.sh Data ckpt
 ```
 
@@ -145,7 +145,7 @@ Before running the command below, please check the checkpoint path used for eval
 
 ```
 python eval.py --data_path Data --ckpt_path ckpt/checkpoint_lenet-1_1875.ckpt > log.txt 2>&1 &  
-or enter script dir, and run the script
+# or enter script dir, and run the script
 sh run_standalone_eval_ascend.sh Data ckpt/checkpoint_lenet-1_1875.ckpt
 ```