[css-values-4][editorial Typo, fix w3c#8119

Author: svgeesus

css-values-4/Overview.bs

@@ -4952,7 +4952,7 @@ Appendix C: Quirky Lengths</h2>
 Acknowledgments</h2>
 
 	Firstly, the editors would like to thank
-	all of the contributors to the <a href="http://www.w3.org/TR/css-values-3/#acknowledgements">previous level</a>
+	all of the contributors to the <a href="http://www.w3.org/TR/css-values-3/#acknowledgments">previous level</a>
 	of this module.
 
 	Secondly, we would like to acknowledge