[smartmeter] Remove copy-paste-error, as this binding doesn't play sounds (#14848)

* Update README.md

diff --git a/bundles/org.openhab.binding.smartmeter/README.md b/bundles/org.openhab.binding.smartmeter/README.md
index bec95aad8ae4cebf6e9d79131a400809734058c0..f511b352bfc88e9c1c8ed26936c202bb1ff8c134 100644 (file)
--- a/bundles/org.openhab.binding.smartmeter/README.md
+++ b/bundles/org.openhab.binding.smartmeter/README.md
@@ -16,7 +16,7 @@ The smartmeter thing requires the serial port where the meter device is connecte
 
 | Parameter             | Name                            | Description                                                                                                                                                                                   | Required | Default |
 | --------------------- | ------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------- | ------- |
-| `port`                | The serial port to connect to   | URL to use for playing notification sounds, e.g. `/dev/ttyUSB0`                                                                                                                               | yes      |         |
+| `port`                | The serial port to connect to   | URL to use for reading SML data, e.g. `/dev/ttyUSB0`, `rfc2217://xxx.xxx.xxx.xxx:3002`                                                                                                        | yes      |         |
 | `refresh`             | The refresh interval in seconds | Defines at which interval the values of the meter device shall be read                                                                                                                        | no       | 20      |
 | `mode`                | The protocol mode to use        | Can be `SML` (PUSH mode), `ABC` (PULL) or `D` (PUSH)                                                                                                                                          | no       | `SML`   |
 | `baudrateChangeDelay` | Delay of baudrate change in ms  | USB to serial converters often require a delay of up to 250ms after the ACK before changing baudrate (only relevant for 'C' mode)                                                             | no       | 0       |