Update dummy_sensors readme to echo the correct topic (#675)

jmackay2 · web-flow · commit eec5c12ea95d · 2024-05-06T08:20:07.000-04:00
Signed-off-by: jmackay2 &lt;1.732mackay@gmail.com&gt;
diff --git a/dummy_robot/dummy_sensors/README.md b/dummy_robot/dummy_sensors/README.md
@@ -45,7 +45,7 @@ A similar terminal output should be seen after running commands described in the
 
 ```bash
 # Open new terminal.
-ros2 topic echo /laser
+ros2 topic echo /scan
 ```
 
 ```bash
