diff --git a/gracedb/events/buildVOEvent.py b/gracedb/events/buildVOEvent.py
index 33511684e9d7bad6ec89b43d70730e429f46c812..5e7e5c190d8b39c37090d8c09dd31aa77c148827 100644
--- a/gracedb/events/buildVOEvent.py
+++ b/gracedb/events/buildVOEvent.py
@@ -314,7 +314,7 @@ def buildVOEvent(event, serial_number, voevent_type, request=None, skymap_filena
                 properties_group.add_Param(Param(name="HasNS",
                     dataType="float", ucd="stat.probability", value=ProbHasNS,
                     Description=["Probability that at least one object in the "
-                    "binary has a mass that is less than 2.83 solar masses"]))
+                    "binary has a mass that is less than 3 solar masses"]))
 
             if ProbHasRemnant is not None:
                 properties_group.add_Param(Param(name="HasRemnant",
diff --git a/gracedb/superevents/buildVOEvent.py b/gracedb/superevents/buildVOEvent.py
index cd195fe42f6271600156b766d79889454ef4020f..6cee928d6e3bfa5a8c845cc0dcb530dd0d347dbf 100644
--- a/gracedb/superevents/buildVOEvent.py
+++ b/gracedb/superevents/buildVOEvent.py
@@ -305,7 +305,7 @@ def construct_voevent_file(superevent, voevent, request=None,
                 properties_group.add_Param(Param(name="HasNS",
                     dataType="float", ucd="stat.probability", value=ProbHasNS,
                     Description=["Probability that at least one object in the "
-                    "binary has a mass that is less than 2.83 solar masses"]))
+                    "binary has a mass that is less than 3 solar masses"]))
 
             if ProbHasRemnant is not None:
                 properties_group.add_Param(Param(name="HasRemnant",