diff --git a/README.md b/README.md
index 8813803..cada088 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,8 @@ behind the scenes:
 
 ### 05.06.23
 
-<video src="cm2.mov"></video>
+<video>
+    <source src="cm2.mov">
+</video>
 
 First prototype. It would be nice to add a part where to edit global css. It could come handy for defining animation for example.