diff --git a/dspace-api/src/main/java/org/dspace/qaevent/QATopic.java b/dspace-api/src/main/java/org/dspace/qaevent/QATopic.java
index 2f4a80ceccbb..a101d9fa2c1e 100644
--- a/dspace-api/src/main/java/org/dspace/qaevent/QATopic.java
+++ b/dspace-api/src/main/java/org/dspace/qaevent/QATopic.java
@@ -25,6 +25,9 @@ public class QATopic {
      */
     private UUID focus;
     private String key;
+    /**
+     * The source attributes contains the name of the AQ source like: OpenAIRE, DSpaceUsers
+     */
     private String source;
     private Date lastEvent;
     private long totalEvents;