diff --git a/README.md b/README.md
index e18d9e9..776c476 100644
--- a/README.md
+++ b/README.md
@@ -70,12 +70,12 @@ It depends which control mode you want to use.
 
 Then, if you want to run high-level control mode, you can run example_walk node like this
 ```
-rosrun unitree_legged_real example_walk
+rosrun unitree_legged_real ros_example_walk
 ```
 
 If you want to run low-level control mode, you can run example_position program node like this
 ```
-rosrun unitree_legged_real example_postion
+rosrun unitree_legged_real ros_example_postion
 ```
 
 You can also run the node state_sub to subscribe the feedback information from Go1 robot