Re-word to avoid invalid direct references to packages

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/dbcp/trunk@1571981 13f79535-47bb-0310-9956-ffa450edef68
Build Javadoc without warnings

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/dbcp/trunk@1571982 13f79535-47bb-0310-9956-ffa450edef68