diff --git a/f23/Gurmail_Lecture_Notes/39_Final_Review/lec39_final_review.ipynb b/f23/Gurmail_Lecture_Notes/40_Final_Review/lec39_final_review.ipynb
similarity index 100%
rename from f23/Gurmail_Lecture_Notes/39_Final_Review/lec39_final_review.ipynb
rename to f23/Gurmail_Lecture_Notes/40_Final_Review/lec39_final_review.ipynb