From 5b4ee1b1fc6b648c8086d18abbe1cf6ecdc94c56 Mon Sep 17 00:00:00 2001
From: JeffYinMagna <41594281+JeffYinMagna@users.noreply.github.com>
Date: Fri, 3 Aug 2018 11:44:29 -0400
Subject: [PATCH] Update Coordinate-Transforms-using-TF.md

Inserted note about error
<run_depend>tf</run_depend> fix to <exec_depend>tf</exec_depend>
---
 gh_pages/_source/session3/Coordinate-Transforms-using-TF.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gh_pages/_source/session3/Coordinate-Transforms-using-TF.md b/gh_pages/_source/session3/Coordinate-Transforms-using-TF.md
index 7eec66bd6..536763d2c 100644
--- a/gh_pages/_source/session3/Coordinate-Transforms-using-TF.md
+++ b/gh_pages/_source/session3/Coordinate-Transforms-using-TF.md
@@ -24,7 +24,8 @@ Specifically, edit the service callback inside the vision_node to transform the
 
  1. Specify `tf` as a dependency of your core package.
 
-    * Edit `package.xml` (2 lines) and `CMakeLists.txt` (2 lines) as in previous exercises
+    * Edit `package.xml` (2 lines) and `CMakeLists.txt` (2 lines) as in previous exercises. 
+    Note: In the source files, the 'package.xml' shows the edit to be '<run_depend>tf</run_depend>'. This may cause a long string of erros when running 'catkin build'. Fix this by doing '<exec_depend>tf</exec_depend>'instead.
 
  1. Add a `tf::TransformListener` object to the vision node (as a class member variable).