Proxy recorder has been renamed; tidy up comments

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1542623 13f79535-47bb-0310-9956-ffa450edef68
Typo

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1542624 13f79535-47bb-0310-9956-ffa450edef68