Update introduction.md

4EstHei2 · web-flow · commit 09f94a36b2a3 · 2025-12-08T11:47:06.000+01:00
diff --git a/chapters/introduction.md b/chapters/introduction.md
@@ -23,4 +23,4 @@ The childrensbook _little people - big dreams **Ada Locelace**_ mentions that sh
 This however is not Mrs. Puff. This is my cat Leo, an imposter. 
 
 
-[![Watch the video](https://img.youtube.com/vi/4a-ciz3e3y0/maxresdefault.jpg)](https://www.youtube.com/watch?v=4a-ciz3e3y0)
+[![Watch the video](https://img.youtube.com/vi/4a-ciz3e3y0/hqdefault.jpg)](https://www.youtube.com/watch?v=4a-ciz3e3y0)

Original file line number	Diff line number	Diff line change
`@@ -23,4 +23,4 @@ The childrensbook _little people - big dreams Ada Locelace_ mentions that sh`
`23`	`23`	`This however is not Mrs. Puff. This is my cat Leo, an imposter.`
`24`	`24`
`25`	`25`
`26`		`-[![Watch the video](https://img.youtube.com/vi/4a-ciz3e3y0/maxresdefault.jpg)](https://www.youtube.com/watch?v=4a-ciz3e3y0)`
	`26`	`+[![Watch the video](https://img.youtube.com/vi/4a-ciz3e3y0/hqdefault.jpg)](https://www.youtube.com/watch?v=4a-ciz3e3y0)`