Update website/content/docs/concepts/seal.mdx

Co-authored-by: Yoko Hyakuna <yoko@hashicorp.com>

website/content/docs/concepts/seal.mdx

@@ -81,7 +81,7 @@ access to the root key shards.
 
 ## Auto Unseal
 
--> **Note:** The Seal Wrap functionality is enabled by default. For this reason, HSM must be available throughout Vault's runtime and not just during the unseal process. Refer to the [Seal Wrap](/docs/enterprise/sealwrap) documenation for more information. 
+-> **Note:** The Seal Wrap functionality is enabled by default. For this reason, the seal provider (HSM or cloud KMS) must be available throughout Vault's runtime and not just during the unseal process. Refer to the [Seal Wrap](/docs/enterprise/sealwrap) documenation for more information. 
 
 Auto Unseal was developed to aid in reducing the operational complexity of
 keeping the unseal key secure. This feature delegates the responsibility of