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4 changes: 2 additions & 2 deletions doc/usage.md
Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ roslaunch z1_viz view_robot.launch
The gripper is controlled using an action server. To send a gripper position, publish to the goal topic and set the command/position value to the angle you want the gripper to open to. Zero is closed, and negative values are open. You can monitor the status of the action through the feedback or result topics

```bash
rosrun z1_examples gripper_ctrl -1
rosrun z1_examples ros_gripper_ctrl -1
```

## 2. Run with udp
Expand Down Expand Up @@ -78,4 +78,4 @@ The user can also easily control the motors directly.
```bash
rosrun z1_sdk example_lowcmd
rosrun z1_sdk example_lowcmd.py
```
```