Huge bug fix

Author: Kongduino

README.md

@@ -5,3 +5,8 @@ A library using Semtech's sx1276/7/8/9's `RegRssiWideband` register properly to
 This was written for Sandeep Mistry's library, but is easily adaptable to other platforms.
 
 See [ESP32_Random_Test](https://github.com/Kongduino/ESP32_Random_Test) for an example of how it works.
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+## UPDATE 2021/07/22
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+There was a bug in `getLoRandomByte()`, whereas only even numbers were returned. This bug was pointed out [here](https://github.com/sandeepmistry/arduino-LoRa/pull/496#issuecomment-882019560), for which I am thankful...
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