Merge pull request #354 from tiffanyec/foxy_minor_edit

Minor edits to exercises 1.4 and 3.0
ros-industrial · Oct 3, 2021 · b4fec97 · b4fec97
2 parents 33fa655 + 089df87
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diff --git a/gh_pages/_source/session1/ros2/4-Topics-and-Messages.md b/gh_pages/_source/session1/ros2/4-Topics-and-Messages.md
@@ -72,7 +72,7 @@ Your goal is to create your first ROS subscriber:
 
 1. In a new terminal, enter `ros2 run rqt_plot rqt_plot`.
 
-   1. Once the window opens, type `/ar_pose_marker/pose/pose/position/x` in the "Topic:" field and click the "+" button. You should see the X value be plotted.
+   1. Once the window opens, type `/ar_pose_marker/pose/pose/position/x` in the "Topic:" field and click the "+" button. You should see the X value be plotted. If you can't see the X value, try changing the axes on your graph.
 
    1. Type `/ar_pose_marker/pose/pose/position/y` in the topic field, and click on the add button.  You will now see both the x and y values being graphed.
 

diff --git a/gh_pages/_source/session3/ros2/0-Intro-to-URDF.md b/gh_pages/_source/session3/ros2/0-Intro-to-URDF.md
@@ -88,7 +88,7 @@ Your goal is to describe a workcell that features:
 
    1. It helps to visualize your URDF as you add links, to verify things look as expected. Run the following commands in separate terminals:
 
-      1. `ros2 run robot_state_publisher robot_state_publisher urdf/workcell.urdf`
+      1. `ros2 run robot_state_publisher robot_state_publisher ~/ros2_ws/src/myworkcell_support/urdf/workcell.urdf`
 
       1. `rviz2`