Add javadoc description to resolve @doubt comment

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers@949492 13f79535-47bb-0310-9956-ffa450edef68
1 file changed
tree: 94c1b10b5dee05873c2f7c46835af63677a60e0d
  1. log4j12-api/
  2. log4j2-api/
  3. log4j2-core/
  4. pom.xml