Fixed typo in help text (trivial).

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@7264 71c3de6d-444a-0410-be80-ed276b4c234a

war/resources/help/tasks/artifactArchiver/includes.html

@@ -2,5 +2,5 @@
    Can use wildcards like 'module/dist/**/*.zip'.
    See <a href='http://ant.apache.org/manual/CoreTypes/fileset.html'>
    the @includes of Ant fileset</a> for the exact format.
-   the base directory is <a href='ws/'>the workspace</a>.
+   The base directory is <a href='ws/'>the workspace</a>.
 </div>
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