Correct URL of latest build in README.md

Author: koendehondt

README.md

@@ -3,6 +3,6 @@
 This project contains the forth coming book for Spec 2.0: the UI builder framework of Pharo.
 The release date for the book is December 2023.
 
-- [Latest build of the book](https://github.com/SquareBracketAssociates/BuildingApplicationWithSpec2/releases/download/latest/Spec2-wip.pdf)
+- [Latest build of the book](https://github.com/SquareBracketAssociates/BuildingApplicationWithSpec2/releases/download/latest/BuildingUIWithSpec.pdf)
 - The code of all the book examples is stored at [https://github.com/SquareBracketAssociates/CodeOfSpec20Book](https://github.com/SquareBracketAssociates/CodeOfSpec20Book)
 - Previous and older versions may be at [https://github.com/Ducasse/SpecBookCode/](https://github.com/Ducasse/SpecBookCode/)