diff --git a/docs/en/ingest-management/elastic-agent/configuration/env/shared-env.asciidoc b/docs/en/ingest-management/elastic-agent/configuration/env/shared-env.asciidoc index 2767bf738..b12c947c1 100644 --- a/docs/en/ingest-management/elastic-agent/configuration/env/shared-env.asciidoc +++ b/docs/en/ingest-management/elastic-agent/configuration/env/shared-env.asciidoc @@ -42,7 +42,8 @@ OPTIONAL INFO AND EXAMPLE [id="env-{type}-elastic-agent-cert-key-passphrase"] `ELASTIC_AGENT_CERT_KEY_PASSPHRASE` -| (string) The path to the file that contains the passphrase for the mutual TLS private key that {agent} will use to connect to {fleet-server}. The file must only contain the characters of the passphrase, no newline or extra non-printing characters. +| (string) The path to the file that contains the passphrase for the mutual TLS private key that {agent} will use to connect to {fleet-server}. +The file must only contain the characters of the passphrase, no newline or extra non-printing characters. This option is only used if the `--elastic-agent-cert-key` is encrypted and requires a passphrase to use.