Remove typo in Readme

ros2/README.md

@@ -32,12 +32,13 @@ To help get you get started on your software development, here are examples of n
 | 1 | [Teleoperate Stretch with a Node](example_1.md) |  Use a python script that sends velocity commands.  | 
 | 2 | [Filter Laser Scans](example_2.md)              |  Publish new scan ranges that are directly in front of Stretch.| 
 | 3 | [Mobile Base Collision Avoidance](example_3.md) |  Stop Stretch from running into a wall.| 
-| 4 | [Give Stretch a Balloon](example_4.md)          |  Create a "balloon" marker that goes where ever Stretch goes.| 
+| 4 | [Give Stretch a Balloon](example_4.md)          |  Create a "balloon" marker that goes where ever Stretch goes.|
+| 5 | [Tf2 Broadcaster and Listener](example_10.md)   |  Create a tf2 broadcaster and listener.|
 <!-- | 5 | [Print Joint States](example_5.md)              |  Print the joint states of Stretch.| 
 | 6 | [Store Effort Values](example_6.md)             |  Print, store, and plot the effort values of the Stretch robot.| 
 | 7 | [Capture Image](example_7.md)                   |  Capture images from the RealSense camera data.| 
 | 8 | [Voice to Text](example_8.md)                   |  Interpret speech and save transcript to a text file.| 
-| 9 | [Voice Teleoperation of Base](example_9.md)     |  Use speech to teleoperate the mobile base.|  -->
-| 5 | [Tf2 Broadcaster and Listener](example_10.md)   |  Create a tf2 broadcaster and listener.| 
-<!-- | 11 | 
[PointCloud Transformation](example_11.md)      |  Convert PointCloud2 data to a PointCloud and transform to a different frame.| 
+| 9 | [Voice Teleoperation of Base](example_9.md)     |  Use speech to teleoperate the mobile base.|
+| 10 | [Tf2 Broadcaster and Listener](example_10.md)   |  Create a tf2 broadcaster and listener.|
+| 11 | [PointCloud Transformation](example_11.md)      |  Convert PointCloud2 data to a PointCloud and transform to a different frame.| 
 | 12 | [ArUco Tag Locator](example_12.md)              |  Actuate the head to locate a requested ArUco marker tag and return a transform.|  -->