Rdocumentation-Browser is the plugin to browse the web, preview files, auto-reload, and search the Rdocumentation within Atom. It is forked from sean-codes atom-browser plugin.
You can right click on files and preview them directly in Atom.
Now when you save a file atom-browser will reload the page
Ctrl-CMD-S. Type your search term. Press Enter!
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.