diff --git a/src/doc/yaml_interface.rst b/src/doc/yaml_interface.rst
index 3cad3a3976b7189019c321c36b542a55b65eaf22..84fef21974c7fbb9e094ab34a2f7f87bbbb4759c 100644
--- a/src/doc/yaml_interface.rst
+++ b/src/doc/yaml_interface.rst
@@ -1,4 +1,3 @@
-
 ===============================
  YAML data model specification
 ===============================
@@ -102,7 +101,7 @@ Example:
           experimentId:
              datatype: INTEGER
              description: 'UID of this experiment'
-          date:  # no further attributes here!
+          date:  # no further attributes here, since property was defined above in 'Project'!
 
 
 The above example defines two Records: Project and Experiment