HTRACE-383 Minor doc fix up on making an RC doc
HTRACE-383 Minor doc fix up on making an RC doc

apache/incubator-htrace,apache/incubator-htrace,apache/incubator-htrace,apache/incubator-htrace,apache/incubator-htrace,apache/incubator-htrace,apache/incubator-htrace,apache/incubator-htrace