#1285 Document SecretsManager cross-account access. (#1302)

Author: mmaeller

docs/src/main/asciidoc/secrets-manager.adoc

@@ -40,6 +40,13 @@ To load multiple secrets, separate their names with `;`:
 spring.config.import=aws-secretsmanager:/secrets/database-secrets;/secrets/webclient-secrets
 ----
 
+If you have the requirement to load secrets from another AWS account you can achieve this using the secret's ARN.
+
+[source,properties]
+----
+spring.config.import=aws-secretsmanager:arn:aws:secretsmanager:eu-central-1:0123456789:secret:secrets/database-secrets
+----
+
 If some secrets are required, and other ones are optional, list them as separate entries in `spring.config.import` property:
 
 [source,properties]