diff --git a/csaxs_bec/devices/omny/galil/galil_rio.py b/csaxs_bec/devices/omny/galil/galil_rio.py
index 8a53c62..4a4b3b3 100644
--- a/csaxs_bec/devices/omny/galil/galil_rio.py
+++ b/csaxs_bec/devices/omny/galil/galil_rio.py
@@ -152,6 +152,7 @@ class GalilRIO(PSIDeviceBase):
         for _, signal in self._get_components_of_kind(Kind.normal):
             channels.append((signal._channel, signal.name))  # pylint: disable=protected-access
 
+        # Read all channels in one command
         cmd = "MG@" + ",@".join([f"AN[{ii}]" for ii, _ in channels])
         ret = self.controller.socket_put_and_receive(cmd)
         timestamp = time.time()