ikiwiki supports adding "History" links to the top of pages to browse the
revison history of a page. This is enabled by the `historyurl` setting,
-which is used to specify the URL to a web interface such as [[ViewCVS]]
+which is used to specify the URL to a web interface such as [[ViewVC]]
(for Subversion) or [[Gitweb]]. In that url, "\[[file]]" is replaced with
the name of the file to view.
+
+The [[plugins/repolist]] plugin can suppliment this information with
+urls to the underlying repository of the wiki.