Update README.md

README.md

@@ -8,7 +8,7 @@ Copyright (C) 2016 by Windell H. Oskay, www.evilmadscientist.com
 This is a program, written in [Processing](https://www.processing.org), that can take an image file in .jpg, .png, or .gif format, and create from it either a vector stipple drawing or a [TSP](https://en.wikipedia.org/wiki/Travelling_salesman_problem) art vector drawing.
 
 An implementation of Weighted Voronoi Stippling:
-http://mrl.nyu.edu/~ajsecord/stipples.html
+https://web.archive.org/web/20210106025705/https://mrl.cs.nyu.edu/~ajsecord/stipples.html
 
 Full Documentation: http://wiki.evilmadscience.com/StippleGen