hg: jigsaw/jake/jdk: Update example in javadoc to make it clearer

[alan . bateman]

Changeset: 9c4e80fb153e
Author:    alanb
Date:      2016-03-15 16:19 +0000
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/9c4e80fb153e

Update example in javadoc to make it clearer

! src/java.base/share/classes/java/lang/module/Configuration.java