diff --git a/source/java/org/alfresco/rest/framework/Operation.java b/source/java/org/alfresco/rest/framework/Operation.java
index 372eca4dff..3081de8543 100755
--- a/source/java/org/alfresco/rest/framework/Operation.java
+++ b/source/java/org/alfresco/rest/framework/Operation.java
@@ -8,6 +8,9 @@ import java.lang.annotation.Target;
 /**
  * An Operation as on an entity in the Rest API
  *
+ * Your method signature should have 4 parameters (uniqueId, typePassedin, Parameters, WithResponse),
+ " use Void if you are not interested in the second argument.
+
  * @author Gethin James
  */
 @Target(ElementType.METHOD)