r1576908: Correct comment


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1577926 13f79535-47bb-0310-9956-ffa450edef68
r1576923 : Better Javadoc


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1577929 13f79535-47bb-0310-9956-ffa450edef68