diff --git a/ReleaseNotes/v10r7p3t0.md b/ReleaseNotes/v10r7p3t0.md
index b193bd6b88d13e004c974a94af77817659c92a0d..1ca4966c5447ba368042aba9e152a766b86ca90e 100644
--- a/ReleaseNotes/v10r7p3t0.md
+++ b/ReleaseNotes/v10r7p3t0.md
@@ -21,6 +21,7 @@ Built relative to Geant4 [v10r6p2t7](/../../tags/v10r6p2t7), with the following
 ### Code cleanups and changes to tests ~modernisation ~cleanup ~testing
 
 - MT build hadronic test fix, !100 (@dpopov)
+- MT build msc test fix, !99 (@dpopov)
 - MT build calo test fix, !98 (@dpopov)
 - Fix non-virtual-dtor warnings from G4VFastSimSensitiveDetector, !94 (@mimazure)