diff --git a/releasenotes/source/index.rst b/releasenotes/source/index.rst
index 24736d72..3acd47d2 100644
--- a/releasenotes/source/index.rst
+++ b/releasenotes/source/index.rst
@@ -12,5 +12,6 @@ Contents:
    :maxdepth: 2
 
    unreleased
+   train
    stein
    queens