Better README explanation of VALIDATOR_PUBLIC_KEY param of install_mi…

…ner (#336)

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Co-authored-by: Mateusz Srebrny <mateusz.srebrby@reef.pl>

validator/README.md

@@ -74,7 +74,7 @@ curl -sSfL https://github.com/backend-developers-ltd/ComputeHorde/raw/master/ins
 
 Replace the placeholders in the command above:
 - `SSH_DESTINATION`: your server's connection info (i.e. `username@1.2.3.4`)
-- `VALIDATOR_PUBLIC_KEY`: the public key of your validator (_not_ the path to the key)
+- `VALIDATOR_PUBLIC_KEY`: the hotkey of your validator (_not_ the path to the key)
 - `MINER_PORT` (optional): the port (of your choosing) on which the miner will listen for incoming connections (default is 8000)
 - `DEFAULT_EXECUTOR_CLASS` (optional): specifies a custom executor class to use. **For A6000 synthetic job support, `always_on.llm.a6000` must be set**