diff --git a/archiva-modules/metadata/metadata-model/src/main/java/org/apache/archiva/metadata/model/ProjectVersionMetadata.java b/archiva-modules/metadata/metadata-model/src/main/java/org/apache/archiva/metadata/model/ProjectVersionMetadata.java
index d614bc990..015c10d05 100644
--- a/archiva-modules/metadata/metadata-model/src/main/java/org/apache/archiva/metadata/model/ProjectVersionMetadata.java
+++ b/archiva-modules/metadata/metadata-model/src/main/java/org/apache/archiva/metadata/model/ProjectVersionMetadata.java
@@ -27,6 +27,9 @@
 public class ProjectVersionMetadata
     extends FacetedMetadata
 {
+    /**
+     * id is the version
+     */
     private String id;
 
     private String url;