diff --git a/releasenotes/source/index.rst b/releasenotes/source/index.rst
index 1fdf8a1..e6cc116 100644
--- a/releasenotes/source/index.rst
+++ b/releasenotes/source/index.rst
@@ -6,4 +6,5 @@
    :maxdepth: 1
 
    unreleased
+   train
    stein
diff --git a/releasenotes/source/train.rst b/releasenotes/source/train.rst
new file mode 100644
index 0000000..7fa1088
--- /dev/null
+++ b/releasenotes/source/train.rst
@@ -0,0 +1,6 @@
+===================================
+ Train Series Release Notes
+===================================
+
+.. release-notes::
+   :branch: stable/train