diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 509f8ba56d..fa70a294fa 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -7,7 +7,7 @@ This file contains a high-level description of this package's evolution. Release
 
 ## 4.9.1 - T.B.D.
 
-* [Enhancement] Add support for Zarr (fixed length) string type in nczarr. See [Github #????](https://github.com/Unidata/netcdf-c/pull/????). 
+* [Enhancement] Add support for Zarr (fixed length) string type in nczarr. See [Github #2492](https://github.com/Unidata/netcdf-c/pull/2492). 
 * [Bug Fix] Split the remote tests into two parts: one for the remotetest server and one for all other external servers. Also add a configure option to enable the latter set. See [Github #2491](https://github.com/Unidata/netcdf-c/pull/2491).
 * [Bug Fix] Fix support for reading arrays of HDF5 fixed size strings. See [Github #2462](https://github.com/Unidata/netcdf-c/pull/2466).
 * [Bug Fix] Provide a default enum const when fill value does not match any enum constant for the value zero. See [Github #2462](https://github.com/Unidata/netcdf-c/pull/2462).