Update README.md

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Attila Magyar 2021-10-14 18:15:15 +02:00 committed by GitHub
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@ -528,6 +528,8 @@ udp-send-str ( host port str -- n )
udp-send-lst ( host port lst -- n )
```
All of the above words return an error code where 0 indicates success, -1 indicates unkonw host, -2 indicates network error.
### Examples
```forth