Clarify feature
Clarify feature

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1855125 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: c4694416d11d4d1ede3d2952854d20b8c14a81ba
apache/jmeter,apache/jmeter,ham1/jmeter,etnetera/jmeter,etnetera/jmeter,apache/jmeter,benbenw/jmeter,ham1/jmeter,benbenw/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,ham1/jmeter,etnetera/jmeter,etnetera/jmeter,apache/jmeter,etnetera/jmeter,benbenw/jmeter,benbenw/jmeter