The broken link is for the text "jclouds providers" in the following paragraph on the Providers reference page:
Adding the pallet-jclouds jar to your project's dependencies gives access to jclouds providers. Each jclouds provider also has a specific jar that you will need to add (there is an org.jclouds/jclouds-all dependency, if you want to add all the jclouds providers).
The current link:
The link should be updated to the following: