diff --git a/src/main/java/org/apache/maven/shared/project/utils/ProjectUtils.java b/src/main/java/org/apache/maven/shared/project/utils/ProjectUtils.java
index d7c1768..af15725 100644
--- a/src/main/java/org/apache/maven/shared/project/utils/ProjectUtils.java
+++ b/src/main/java/org/apache/maven/shared/project/utils/ProjectUtils.java
@@ -73,6 +73,13 @@
         return true;
     }
 
+    /**
+     * Go through the ancestors to find the rootProject of this project.
+     * 
+     * @param project the project
+     * @return the root project
+     * @see ProjectUtils#isRootProject(MavenProject)
+     */
     public static MavenProject getRootProject( MavenProject project )
     {
         if ( project == null )