Comment on use of artifact directory

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@113594 13f79535-47bb-0310-9956-ffa450edef68

ant/plugin.jelly

@@ -312,6 +312,7 @@
     unless="noget">
   
     <j:forEach var="dep" items="${pom.dependencies}">
+    <!-- note: this is a valid use of artifactDirectory -->
     <get 
       src="${repo}/${dep.artifactDirectory}/${dep.type}s/${dep.artifact}"
       dest="$${libdir}/${dep.artifact}"