diff --git a/CHANGES/v2.3.txt b/CHANGES/v2.3.txt
index fdece9aced8396b0fdf39cc757531505b101279b..e88ec0745d25edcbd8393cb797a5cf56623a3016 100644
--- a/CHANGES/v2.3.txt
+++ b/CHANGES/v2.3.txt
@@ -152,5 +152,7 @@ See branch \branch{v2.3} on git repository.
 - Resolved problem with nan in SMAC with SPECIESA and SPECIESB involving molecules that are the same.
 - PDB reader is now able to read files with dos newlines (see \issue{223}).
 
+For developers:
+- plumedcheck validation has been made stricter. All the checks are now described in the developer manual.
 
 */