Minor clarification of macAddress property (#12119)

Signed-off-by: Arne Seime <arne.seime@gmail.com>

diff --git a/bundles/org.openhab.binding.millheat/README.md b/bundles/org.openhab.binding.millheat/README.md
index 739a8d6c862fd90b2bcb1864def38fe0bbbb11ae..5a495bc7e6fd9c6f69918e1d5df835cc34c6377f 100644 (file)
--- a/bundles/org.openhab.binding.millheat/README.md
+++ b/bundles/org.openhab.binding.millheat/README.md
@@ -1,7 +1,6 @@
 # Millheat Binding
 
-This binding integrates the Mill Wi-Fi enabled panel heaters. 
-See https://www.millheat.com/mill-wifi/
+This binding integrates the Mill Wi-Fi enabled panel heaters. See https://www.millheat.com/mill-wifi/
 
 ## Supported Things
 
@@ -14,7 +13,7 @@ This binding supports all Wi-Fi enabled heaters as well as the Wi-Fi socket.
 
 ## Discovery
 
-The binding will discover homes with rooms and heaters. 
+The binding will discover homes with rooms and heaters.
 
 In order to do discovery, add a thing of type Mill Heating API and add username and password.
 
@@ -26,7 +25,7 @@ See full example below for how to configure using thing files.
 
 * `username` = email address used in app
 * `password` = password used in app
-* `refreshInterval` = number of seconds between refresh calls to the server 
+* `refreshInterval` = number of seconds between refresh calls to the server
 
 ### Home
 
@@ -38,15 +37,12 @@ See full example below for how to configure using thing files.
 
 ### Heater
 
-* `macAddress` = network mac address of device.  
-Can be found in the app by viewing devices.
-Or you can find it during discovery.
-Used for heaters connected to a room.
+* `macAddress` = network mac address of device in UPPERCASE.  
+  Can be found in the app by viewing devices. Or you can find it during discovery. Used for heaters connected to a room.
 * `heaterId` = id of device/heater, type number (not string)
-Use auto discovery to find this value.
-Used to identify independent heaters or heaters connected to a room.
+  Use auto discovery to find this value. Used to identify independent heaters or heaters connected to a room.
 * `power` = number of watts this heater is consuming when active.  
-Used to provide data for the currentPower channel.
+  Used to provide data for the currentPower channel.
 
 Either `macAddres` or `heaterId` must be specified.
 
@@ -75,7 +71,6 @@ Either `macAddres` or `heaterId` must be specified.
 | heatingActive       | R             | Switch                | Whether the heaters in this room are active |
 | program             | R             | String                | Name of program used in this room |
 
-
 ### Heater channels
 
 | Channel             | Read/write    | Item type          | Description |
@@ -89,7 +84,6 @@ Either `macAddres` or `heaterId` must be specified.
 | window              | R             | Contact            | Whether this heater has detected that a window nearby is open/detection of cold air (UNTESTED) |
 | masterSwitch        | R/W           | Switch             | Turn heater ON/OFF. Channel available only if heater is not connected to a room |
 
-
 ## Full Example
 
 millheat.things:
@@ -98,7 +92,7 @@ millheat.things:
 Bridge millheat:account:home "Millheat account" [username="email@address.com",password="topsecret"] {
     Thing home monaco "Penthouse Monaco" [ homeId=100000000000000 ] // Note: numeric value
     Thing room office "Office room" [ roomId=200000000000000 ] Note: numeric value
-    Thing heater office "Office panel heater" [ macAddress="F0XXXXXXXXX", power=900, heaterId=12345 ] Note: heaterId is a numeric value
+    Thing heater office "Office panel heater" [ macAddress="F0XXXXXXXXX", power=900, heaterId=12345 ] Note: heaterId is a numeric value, macAddress in UPPERCASE
 } 
 ```