diff --git a/documentation/sphinx/source/api-version-upgrade-guide.rst b/documentation/sphinx/source/api-version-upgrade-guide.rst
index 61e551372e..eab7f8b6a2 100644
--- a/documentation/sphinx/source/api-version-upgrade-guide.rst
+++ b/documentation/sphinx/source/api-version-upgrade-guide.rst
@@ -209,3 +209,8 @@ Java bindings
 -------------
 
 * ``Transaction.clearRangeStartsWith`` has been deprecated. ``Transaction.clear(Range)`` should be used instead.
+
+Older API versions
+==================
+
+API versions from the beta and alpha releases of Foundationdb (pre-100) are not documented here. See :doc:`old-release-notes/release-notes-023` for details about changes in those releases.