diff --git a/tangostationcontrol/tangostationcontrol/devices/antennafield.py b/tangostationcontrol/tangostationcontrol/devices/antennafield.py
index 58b6dea33283e09cea7d85acb28d99de1baf608d..54efffcade8b5760fdab200b5a1d6c1c52646790 100644
--- a/tangostationcontrol/tangostationcontrol/devices/antennafield.py
+++ b/tangostationcontrol/tangostationcontrol/devices/antennafield.py
@@ -136,14 +136,14 @@ class AntennaField(LOFARDevice):
     # ----- Antenna set
 
     Antenna_Sets = device_property(
-        doc="String representation of officially offered set of antennas",
+        doc="String representation of officially offered set of antennas, for use in digital beamforming.",
         dtype="DevVarStringArray",
         mandatory=False,
         default_value=["ALL"],
     )
 
     Antenna_Set_Masks = device_property(
-        doc="String encoding of the corresponding antenna masks for the antennafield",
+        doc="String encoding of the corresponding antenna masks for the antennafield, for use in digital beamforming. Excludes calibration antennas.",
         dtype="DevVarStringArray",
         mandatory=False,
         default_value=["1" * MAX_ANTENNA],