diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index a32f4d16d..4db17c917 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -7,6 +7,7 @@ This file contains a high-level description of this package's evolution. Release
 
 ## 4.8.0 - TBD
 
+* [Bug Fix] Now larger cache settings are used for sequential HDF5 file creates/opens on parallel I/O capable builds; see [Github #1716](https://github.com/Unidata/netcdf-c/issues/1716) for more information.
 * [Bug Fix] Add functions to libdispatch/dnotnc4.c to support
 dispatch table operations that should work for any dispatch
 table, even if they do not do anything; functions such as