Update README.md

README.md

@@ -73,7 +73,7 @@ The dataset contains 7 distinct chair models, each represented by a unique objec
 - 000004: Duos si2750 [Andreu World link](https://andreuworld.com/en/products/duos-si2750)
 - 000005: Rdl si7291 [Andreu World link](https://andreuworld.com/en/products/rdl-si7291)
 
-![Example Chair Models](resources/chairs.png)
+![Example Chair Models](resources/chairs.jpg)
 
 ### Data Fields
 ```