Add missing documentation

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1708308 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/plugin/resources/ResourcesMojo.java b/src/main/java/org/apache/maven/plugin/resources/ResourcesMojo.java
index 5219584..3e1a693 100644
--- a/src/main/java/org/apache/maven/plugin/resources/ResourcesMojo.java
+++ b/src/main/java/org/apache/maven/plugin/resources/ResourcesMojo.java
@@ -196,6 +196,8 @@
     protected List<String> delimiters;
 
     /**
+     * Use default delimiters in addition to custom delimiters, if any.
+     *
      * @since 2.4
      */
     @Parameter( defaultValue = "true" )