diff --git a/2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation3.md b/2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation3.md
index 1be8be13c5d4ae1cb33b510651ef2374ee0d3177..d02b2fa7e7ce6e6421d105966b3166249081394c 100644
--- a/2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation3.md
+++ b/2019/2019-09-09_testCourseAdv/slides/rebase-iPresentation3.md
@@ -14,7 +14,7 @@ $ reword 93fshjw add first name to attendee list
 $ fixup 47fh35f add second name to attendee list
 ```
 
-Upon confirming, change the message of commit xxxxxxx:
+Upon confirming, change the message of commit 93fshjw:
 
 ```bash
 $ Add Name1 and Name2 to the attendee list