Update opcua_device.py

devices/devices/opcua_device.py

@@ -76,7 +76,7 @@ class opcua_device(hardware_device):
     # Attributes
     # ----------
 
-    opcua_missing_attributes_R = attribute(max_dim_x=128, dtype=(str,), fget=lambda self: numpy.array(self.opcua_missing_attributes, dtype=str), doc="OPC-UA attributes not present on the server")
+    opcua_missing_attributes_R = attribute(max_dim_x=128, dtype=(str,), fget=lambda self: numpy.array(self.opcua_missing_attributes, dtype=str), doc="OPC-UA attributes that this device requested, but which are not exposed on the server. These attributes are replaced with a no-op and thus do not function as expected.")
 
     # --------
     # overloaded functions