adjust example

2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation1.md

@@ -6,11 +6,11 @@
 ```bash
 $ echo "Name of one attendee" > attendeeName.md
 git add attendeeName.md
-git commit -m "Add name to the list of attendees"
+git commit -m "Add first name to the list of attendees"
 git push origin yourBranch
 
 $ echo "Name of a second attendee" > attendeeName2.md
 git add attendeeName2.md
-git commit -m "Add name to the list of attendees"
+git commit -m "Add second name to the list of attendees"
 git push origin yourBranch
 ```
\ No newline at end of file

2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation2.md

 ## Interactive Rebase Workshop
 
-* Perform an interactive rebase onto the develop branch  
+* Perform an interactive rebase with the two last commits:  
 
 ```bash
-git rebase -i develop
+git rebase -i HEAD~2
 ```
 
 * reword the first commit's message to:  

2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation3.md

 ## Interactive Rebase Workshop
 
-* Use `git log` to see if the rebase was successful
+```bash
+reword xxxxxxx add first name to attendee list
+fixup yyyyyyy add second name to attendee list
+```