diff --git a/2019/2019-09-09_testCourseAdv/slides/chPickPresentation1.md b/2019/2019-09-09_testCourseAdv/slides/chPickPresentation1.md
index a90f91857ff9688d505c7e3c97b126e9393198bc..2256a8ad4ac453ab391e15411aee8dc1f3234a18 100644
--- a/2019/2019-09-09_testCourseAdv/slides/chPickPresentation1.md
+++ b/2019/2019-09-09_testCourseAdv/slides/chPickPresentation1.md
@@ -1,8 +1,10 @@
 ## Cherry Picking Workshop
 
-* In your branch, create a reference file
+* In your branch, create and commit a reference file
 ```bash
 $ echo "This is the start of a commit chain" > reference.txt
+$ git add reference.txt
+$ git commit origin myBranchName
 ```
 
 * Create and commit two files in the develop branch