Fixed hard-coded plugin version in usage doc page

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1774202 13f79535-47bb-0310-9956-ffa450edef68
1 file changed
tree: ab156247d6ff0b2c890d817a83491f4304a9ef4b
  1. src/
  2. pom.xml