update readme

parent 925324d5
......@@ -20,4 +20,6 @@ Currently this script only returns the balance and is very much a WIP.
As an API key is needed, you can either supply it as an enviroment variable (`API_KEY`) or by modifying the `$API_KEY` variable in the script.
$ API_KEY="12345678901234567890" vultrmgr.pl ...
$ API_KEY="12345678901234567890" vultrmgr.pl [--help] [options]
As expected a full listing of options can be found with the `--help` switch.
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