diff --git a/documentation/RELEASE_NOTES.md b/documentation/RELEASE_NOTES.md
index 948a17c..c93e5b8 100644
--- a/documentation/RELEASE_NOTES.md
+++ b/documentation/RELEASE_NOTES.md
@@ -6,6 +6,10 @@ This version of EPICS Base has not been released yet.
 
 <!-- Insert new items immediately below here ... -->
 
+### mbboDirect record
+
+When OMSL is "supervisory", writing to the VAL field now updates the bit fields B0-BF.
+
 ## Changes made between 3.15.8 and 3.15.9
 
 ### Use waitable timers on Microsoft Windows
diff --git a/src/std/rec/mbboDirectRecord.dbd.pod b/src/std/rec/mbboDirectRecord.dbd.pod
index 40a5532..8296361 100644
--- a/src/std/rec/mbboDirectRecord.dbd.pod
+++ b/src/std/rec/mbboDirectRecord.dbd.pod
@@ -93,6 +93,7 @@ description (DESC) fields.
     field(VAL,DBF_USHORT) {
         prompt("Word")
         promptgroup("50 - Output")
+        special(SPC_RESET)
         asl(ASL0)
         pp(TRUE)
     }