diff --git a/ros_gz_bridge/README.md b/ros_gz_bridge/README.md
index 784a3d74..130a8609 100644
--- a/ros_gz_bridge/README.md
+++ b/ros_gz_bridge/README.md
@@ -102,7 +102,7 @@ Now we start the ROS listener.
 
 ```
 # Shell B:
-. /opt/ros/humble/setup.bash
+. /opt/ros/rolling/setup.bash
 ros2 topic echo /chatter
 ```
 
@@ -134,7 +134,7 @@ Now we start the ROS talker.
 
 ```
 # Shell C:
-. /opt/ros/humble/setup.bash
+. /opt/ros/rolling/setup.bash
 ros2 topic pub /chatter std_msgs/msg/String "data: 'Hi'" --once
 ```
 
@@ -172,7 +172,7 @@ Now we start the ROS GUI:
 
 ```
 # Shell C:
-. /opt/ros/humble/setup.bash
+. /opt/ros/rolling/setup.bash
 ros2 run rqt_image_view rqt_image_view /rgbd_camera/image
 ```
 
@@ -317,7 +317,7 @@ Now we start the ROS talker.
 
 ```bash
 # Shell C:
-. /opt/ros/humble/setup.bash
+. /opt/ros/rolling/setup.bash
 ros2 topic pub /demo/chatter std_msgs/msg/String "data: 'Hi from inside of a namespace'" --once
 ```