diff --git a/BDNS_Abbreviations_Register.csv b/BDNS_Abbreviations_Register.csv
index 33ee314..83c4deb 100644
--- a/BDNS_Abbreviations_Register.csv
+++ b/BDNS_Abbreviations_Register.csv
@@ -124,6 +124,7 @@ damper - inlet isolation damper,IISD,HVAC/DMP,IfcDamper,NOTDEFINED
 damper - motorised fire smoke damper,MFSD,HVAC/DMP,IfcDamper,FIRESMOKEDAMPER
 damper - motorised smoke control damper,MSCD,HVAC/DMP,IfcDamper,SMOKEDAMPER
 damper - motorised smoke damper,MSD,HVAC/DMP,IfcDamper,SMOKEDAMPER
+damper - motorised damper,MD,HVAC/DMP,IfcDamper,NOTDEFINED
 damper - pressure relief dampers,PRLD,HVAC/DMP,IfcDamper,RELIEFDAMPER
 damper - recirculation control damper,RECD,HVAC/DMP,IfcDamper,CONTROLDAMPER
 damper - return control damper,RTCD,HVAC/DMP,IfcDamper,CONTROLDAMPER