Updated readme by providing the correct link to the example_scenes (#1284)

* updated readme

update the link to the "example_scenes" page

* fixed link to the the example_scenes

Co-authored-by: Jason Villanueva <[email protected]>

Author: nidhaloff

README.md

@@ -76,7 +76,7 @@ manim -p -ql example.py SquareToCircle
 ```
 
 You should see your native video player program pop up and play a simple scene in which a square is transformed into a circle. You may find some more simple examples within this
-[GitHub repository](master/example_scenes). You can also visit the [official gallery](https://docs.manim.community/en/stable/examples.html) for more advanced examples.
+[GitHub repository](example_scenes). You can also visit the [official gallery](https://docs.manim.community/en/stable/examples.html) for more advanced examples.
 
 Manim also ships with a `%%manim` IPython magic which allows to use it conveniently in JupyterLab (as well as classic Jupyter) notebooks. See the