diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -293,7 +293,7 @@ Recommended prereading: Chapters 1-2 (linear algebra) and chapter 3 (statistics)
     - Video of Lecture, first part at https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember16Firstpart.mp4?vrtx=view-as-webpage"
     - Video of Lecture, second part at https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember16SecondPart.mp4?vrtx=view-as-webpage
 - Lecture Friday: More on Resampling methods and summary of linear regression
-
+    - Video of Lecture  at https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember17.mp4?vrtx=view-as-webpage
 - Reading recommendations: 
   - Lectures on Resampling methods for week 37 at https://compphysics.github.io/MachineLearning/doc/web/course.html.
   - Bishop 1.3 (cross-validation) and 3.2 (bias-variance tradeoff)