diff --git a/ReleaseNotes/v104r2p1.md b/ReleaseNotes/v104r2p1.md
index 12f8bcaba9abb3dd69ccea19e39f72f626480a89..3222118039d21b3e8f1a222170eb82b766260404 100644
--- a/ReleaseNotes/v104r2p1.md
+++ b/ReleaseNotes/v104r2p1.md
@@ -1,4 +1,4 @@
-2018-06-14 Geant4 v104r2p1
+2018-12-11 Geant4 v104r2p1
 ===
 This release is based on `GEANT4 r10.4.2`, uses `LCG 93` and `Geant4Files v104r1`.