diff --git a/doc/whats_new.rst b/doc/whats_new.rst
index 7a6c62091..e4f09871b 100644
--- a/doc/whats_new.rst
+++ b/doc/whats_new.rst
@@ -12,6 +12,10 @@ Current
 
 Changelog
 ~~~~~~~~~
+- Fix bug in :func:`~hnn_core/network/add_poisson_drive` where an error is
+  thrown when passing a float for rate_constant when cell_specific=False,
+  by `Dylan Daniels`_ in :gh:`814`
+  
 - Add ability to customize plot colors for each cell section in
   :func:`~hnn_core.Cell.plot_morphology`, by `Nick Tolley`_ in :gh:`646`