Fix setpoint parsing error (#11635)

Signed-off-by: Michael Lobstein <michael.lobstein@gmail.com>

bundles/org.openhab.binding.radiothermostat/README.md

@@ -74,7 +74,7 @@ The thermostat information that is retrieved is available as these channels:
 
 radiotherm.map:
 
-```text
+```
 UNDEF_stus=-
 NULL_stus=-
 -_stus=-
@@ -117,14 +117,14 @@ NULL_over=-
 
 radiotherm.things:
 
-```java
+```
 radiothermostat:rtherm:mytherm1 "My 1st floor thermostat" [ hostName="192.168.10.1", refresh=2, logRefresh=10, isCT80=false, disableLogs=false, setpointMode="temporary" ]
 radiothermostat:rtherm:mytherm2 "My 2nd floor thermostat" [ hostName="mythermhost2", refresh=1, logRefresh=20, isCT80=true, disableLogs=false, setpointMode="absolute" ]
 ```
 
 radiotherm.items:
 
-```java
+```
 Number:Temperature  Therm_Temp  "Current Temperature [%.1f °F] " <temperature>  { channel="radiothermostat:rtherm:mytherm1:temperature" }
 // Humidity only supported on CT80
 Number Therm_Hum                "Current Humidity [%d %%]" <temperature>        { channel="radiothermostat:rtherm:mytherm1:humidity" }
@@ -158,7 +158,7 @@ Switch Therm_mysetting   "Send my preferred setting"
 
 radiotherm.sitemap:
 
-```perl
+```
 sitemap radiotherm label="My Thermostat" {
     Frame label="My 1st floor thermostat" {
         Text item=Therm_Temp icon="temperature" valuecolor=[>76="orange",>67.5="green",<=67.5="blue"]
@@ -196,7 +196,7 @@ sitemap radiotherm label="My Thermostat" {
 
 radiotherm.rules:
 
-```java
+```
 rule "Send my thermostat command"
 when
   Item Therm_mysetting received command