diff --git a/docs/src/whatsnew/latest.rst b/docs/src/whatsnew/latest.rst
index 3493c5fec07..75aa3d7d8ef 100644
--- a/docs/src/whatsnew/latest.rst
+++ b/docs/src/whatsnew/latest.rst
@@ -62,6 +62,10 @@ This document explains the changes made to Iris for this release
    one cell's bounds align with the requested maximum and negative minimum, fixing
    :issue:`4221`. (:pull:`4278`)
 
+#. `@rcomer`_ fixed :meth:`~iris.coords.Coord.nearest_neighbour_index` for edge
+   cases where the requested point is float and the coordinate has integer
+   bounds, reported at :issue:`2969`. (:pull:`4245`)
+
 
 💣 Incompatible Changes
 =======================