Fix plurality, add missing "Repositories"
Closes
@@ -16,7 +16,7 @@ category: getting-started
of related source files and one BUILD file. The BUILD file specifies what
software outputs can be built from the source.
</p>
-<h2 id="packages_targets">Workspace, packages, and targets</h2>
+<h2 id="packages_targets">Workspaces, repositories, packages, and targets</h2>
<h3 id="workspace">Workspace</h3>
<p>A <em>workspace</em> is a directory on your filesystem that contains the
