Update README.md (#13642)

`color_mode` is not recognized as a channel parameter, instead, `colorMode` is

diff --git a/bundles/org.openhab.binding.mqtt.generic/README.md b/bundles/org.openhab.binding.mqtt.generic/README.md
index f010c8b146a3f90274cdc0114cb59fa158ac27d4..d87dc0d3abbb08c6b1e0e616987ca79182f69dee 100644 (file)
--- a/bundles/org.openhab.binding.mqtt.generic/README.md
+++ b/bundles/org.openhab.binding.mqtt.generic/README.md
@@ -137,7 +137,7 @@ You can connect this channel to a Contact or Switch item.
 
 ### Channel Type "color"
 
-* __color_mode__: An optional string that defines the color representation: `HSB`, `RGB` or `XYY` (x,y,brightness). Defaults to `HSB` when not specified.
+* __colorMode__: An optional string that defines the color representation: `HSB`, `RGB` or `XYY` (x,y,brightness). Defaults to `HSB` when not specified.
 * __on__: An optional string (like "BRIGHT") that is recognized as on state. (ON will always be recognized.)
 * __off__: An optional string (like "DARK") that is recognized as off state. (OFF will always be recognized.)
 * __onBrightness__: If you connect this channel to a Switch item and turn it on,