complete javadoc

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1481386 13f79535-47bb-0310-9956-ffa450edef68
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 3337817..f18e4d0 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
@@ -123,8 +123,8 @@
      * Returns all modules of a project, including does specified in profiles, both active and inactive.

      * The key of the returned Map is the name of the module, the value is the source of the module (the project or a specific profile). 

      * 

-     * @param project

-     * @return

+     * @param project the project

+     * @return all modules, never {@code null}

      */

     public static Map<String, String> getAllModules( MavenProject project )

     {