diff --git a/projects/si18-03-overture-atlas/documentation.md b/projects/si18-03-overture-atlas/documentation.md
index 7dead88..5533153 100644
--- a/projects/si18-03-overture-atlas/documentation.md
+++ b/projects/si18-03-overture-atlas/documentation.md
@@ -31,15 +31,16 @@ title: SI18.03 - Overture Atlas
 
 <video src="/soupboat/~kamo/static/video/atlas/audio-blur-comp.mp4" controls></video>
 
-<video src="/soupboat/~kamo/static/video/atlas/chart.mp4" controls></video>
+<video src="/soupboat/~kamo/static/video/atlas/chart.mov" controls></video>
 
-<video src="/soupboat/~kamo/static/video/atlas/ehm.mp4" controls></video>
+<video src="/soupboat/~kamo/static/video/atlas/ehm.mov" controls></video>
 
-<video src="/soupboat/~kamo/static/video/atlas/line selector.mp4" controls></video>
+<video src="/soupboat/~kamo/static/video/atlas/line selector.mov" controls></video>
 
 
 <video src="/soupboat/~kamo/static/video/atlas/test-atlas-compressed.mp4" controls></video>
 
+
 <video src="/soupboat/~kamo/static/video/atlas/test.mov" controls></video>
 
 <video src="/soupboat/~kamo/static/video/atlas/toast.mov" controls></video>
\ No newline at end of file