Tweak grammar
Tweak grammar

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1513436 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 84f004320ab95f2d722c4d08a131c1e39f927d61
etnetera/jmeter,benbenw/jmeter,benbenw/jmeter,ham1/jmeter,apache/jmeter,etnetera/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,benbenw/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,apache/jmeter,apache/jmeter,etnetera/jmeter,etnetera/jmeter,etnetera/jmeter,benbenw/jmeter