diff --git a/website/docs/r/db_instance.html.markdown b/website/docs/r/db_instance.html.markdown
index 1f5baad3c37..4c2d2bae1b1 100644
--- a/website/docs/r/db_instance.html.markdown
+++ b/website/docs/r/db_instance.html.markdown
@@ -118,7 +118,8 @@ this attribute will ignore differences in the patch version automatically (e.g.
 For supported values, see the EngineVersion parameter in [API action CreateDBInstance](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_CreateDBInstance.html).
 Note that for Amazon Aurora instances the engine version must match the [DB cluster](/docs/providers/aws/r/rds_cluster.html)'s engine version'.
 * `final_snapshot_identifier` - (Optional) The name of your final DB snapshot
-when this DB instance is deleted. If omitted, no final snapshot will be made.
+when this DB instance is deleted. Must be provided if `skip_final_snapshot` is
+set to `false`.
 * `iam_database_authentication_enabled` - (Optional) Specifies whether or
 mappings of AWS Identity and Access Management (IAM) accounts to database
 accounts is enabled.