diff --git a/model_zoo/official/cv/centerface/README.md b/model_zoo/official/cv/centerface/README.md
index 7650f574097..59319f813e0 100644
--- a/model_zoo/official/cv/centerface/README.md
+++ b/model_zoo/official/cv/centerface/README.md
@@ -110,8 +110,8 @@ step2: prepare user rank_table
 ```python
 # user can use your own rank table file
 # or use the [hccl_tools](https://gitee.com/mindspore/mindspore/tree/master/model_zoo/utils/hccl_tools) to generate rank table file
-# e.g., python hccl_tools.py --device_num "[0,8)"
-python hccl_tools.py --device_num "[0,8)"
+# e.g., python hccl_tools.py --device_num "[0,8]"
+python hccl_tools.py --device_num "[0,8]"
 ```
 
 step3: train