diff --git a/2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation4.md b/2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation4.md
index 3eacea18b8925e49a57f3d3ca5e2a8a29377814a..d836b3e036b7350156062368d4ea49ac2ecb1e9d 100644
--- a/2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation4.md
+++ b/2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation4.md
@@ -1,8 +1,12 @@
 ## Interactive Rebase Workshop
 
-* Perform an interactive rebase onto the master branch  
+* Perform an interactive rebase onto the develop branch  
 
 ```bash
-git rebase -i master
+git rebase -i develop
 ```
 
+* reword the first commit's message to:  
+`These are the two squashed commits`  
+* combine the second and first commit into one,  
+omitting the second's commit message.
\ No newline at end of file
diff --git a/2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation5.md b/2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation5.md
deleted file mode 100644
index ab6379f917f4ad3b674299f43a3f6490d1e81816..0000000000000000000000000000000000000000
--- a/2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation5.md
+++ /dev/null
@@ -1,6 +0,0 @@
-## Interactive Rebase Workshop
-
-* reword the first commit's message to:  
-`These are the two squashed commits`  
-* combine the second and first commit into one,  
-omitting the second's commit message.