diff --git a/JSON-dictionary.md b/JSON-dictionary.md
index 023d2ec..5bfd57f 100644
--- a/JSON-dictionary.md
+++ b/JSON-dictionary.md
@@ -60,8 +60,8 @@ Certain commands are used to alter the non volatile settings stored by the contr
 | TempMode | integer | 0,1 | To/From ESP | optional | 0=degC<BR>1=degF |
 | Thermostat | int | 0,1 | To/From ESP | **YES** | |
 | ThermostatMethod | int | 0,1,2 | To/From ESP | **YES** |0: Conventional  <BR>1: User deadband<BR>2: Linear Hz   |
-| ThermostatOvertemp | int | 0, 2..10 | To/From ESP | **YES** | Cyclic mode <BR>Shutdown (suspend) heater if this much over set point. <BR>0 => disabled |
-| ThermostatUndertemp | int | -20..0 | To/From ESP | **YES** | Cyclic mode <BR>Restart heater if this much below set point |
+| ThermostatOvertemp | int | 0, 2..10 | To/From ESP | **YES** | Cyclic mode <BR>Shutdown (suspend) heater if this much over set point. <BR>0 => disabled <BR>** Deprecated**|
+| ThermostatUndertemp | int | -20..0 | To/From ESP | **YES** | Cyclic mode <BR>Restart heater if this much below set point <BR>** Deprecated**|
 | ThermostatWindow | float| 0.2 ... 10.0 | To/From ESP | **YES** | degC span of thermostat window |
 | Time | string | HH:mm:ss | To ESP | no | |
 | TimerConflict | integer | timer ID | To/From ESP | | TO: test nominated timer<BR>FROM: timer in conflict |