note VAULT_NAMESPACE in README
@@ -37,6 +37,7 @@ in order to authenticate to your HashiCorp Vault instance:
* `VAULT_CLIENT_CERT`: path to a PEM-encoded client certificate for TLS authentication to the Vault server
* `VAULT_CACERT`: path to a PEM-encoded CA cert file to use to verify the Vault server TLS certificate
* `VAULT_CAPATH`: path to a directory of PEM-encoded CA cert files to verify the Vault server TLS certificate
+ * `VAULT_NAMESPACE`: specify the Vault Namespace, if you have one
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