diff --git a/Session/PlaneTree.abc b/Session/PlaneTree.abc
index dcb02f9..467f420 100644
--- a/Session/PlaneTree.abc
+++ b/Session/PlaneTree.abc
@@ -2,6 +2,7 @@ X: 1
 T: Plane Tree, The
 C: Undine Hornby
 S: Nick Barber
+N: Change: Herbert the Sherbert
 M: 6/8
 L: 1/8
 R: jig