Update README.md

Author: alexdmiller

README.md

@@ -22,7 +22,7 @@ References for developing libraries for Processing can be found on the following
 - https://github.com/benfry/processing4/wiki/Library-Overview
 
 > [!Note]
-> This template is based on Gradle. If you are looking for the old Ant-based template, see [https://github.com/processing/processing-library-template-ant](processing/processing-library-template-ant)
+> This template is based on Gradle. If you are looking for the old Ant-based template, see [processing/processing-library-template-ant](https://github.com/processing/processing-library-template-ant)
 
 
 ## Contributors