diff --git a/CHANGES/v2.3.txt b/CHANGES/v2.3.txt
index 184246aa6494d60711c98e8d5de4217728b80eb4..33f04ebcd5996966cb1fd1a9abde4ae2f2131599 100644
--- a/CHANGES/v2.3.txt
+++ b/CHANGES/v2.3.txt
@@ -162,6 +162,7 @@ See branch \branch{v2.3} on git repository.
 - Fixed a bug in the parser related to braces, see \issue{229}
 - Fixed a bug that appeared when using \ref Q3, \ref Q4 and \ref Q6 with LOWEST or HIGHEST flag
 - Fixed a bug that appears when you use \ref MFILTER_LESS as input to \ref COORDINATIONNUMBER with SPECIESA and SPECIESB flags
+- Fixed a bug that was making flushing when gromacs checkpoints not functional (thanks to Summer Snow).
 
 For developers:
 - plumedcheck validation has been made stricter. All the checks are now described in the developer manual.