diff --git a/succbone/succd/modbus.go b/succbone/succd/modbus.go
index a4d05e0..5d5a11b 100644
--- a/succbone/succd/modbus.go
+++ b/succbone/succd/modbus.go
@@ -135,7 +135,7 @@ func (d *daemon) modbusUpdate() {
 
 	err = d.modbusClient.WriteRegisters(0x01, registerValuesKEC1[:])
 	if err != nil {
-		klog.Warningf("error while updating registers %v", err)
+		klog.Warningf("error while writing updated relay values to KEC1 %v", err)
 	}
 }