(Minor JavaDoc fixes/improvements)
(Minor JavaDoc fixes/improvements)

pradeepmurugesan/incubator-freemarker,awils18/incubator-freemarker,woonsan/incubator-freemarker,pradeepmurugesan/incubator-freemarker,apache/incubator-freemarker,awils18/incubator-freemarker,woonsan/incubator-freemarker,apache/incubator-freemarker