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AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2025-08-13 · Documentation low

File: AWSCloudFormation/latest/TemplateReference/aws-properties-imagebuilder-distributionconfiguration-amidistributionconfiguration.md

Summary

Updated KMS key documentation to specify ARN format requirements

Security assessment

Improves documentation about encryption key management without indicating a security fix.

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/aws-properties-imagebuilder-distributionconfiguration-amidistributionconfiguration.md b/AWSCloudFormation/latest/TemplateReference/aws-properties-imagebuilder-distributionconfiguration-amidistributionconfiguration.md
index f009fdfcb..084588752 100644
--- a//AWSCloudFormation/latest/TemplateReference/aws-properties-imagebuilder-distributionconfiguration-amidistributionconfiguration.md
+++ b//AWSCloudFormation/latest/TemplateReference/aws-properties-imagebuilder-distributionconfiguration-amidistributionconfiguration.md
@@ -75 +75 @@ _Required_ : No
-The KMS key identifier used to encrypt the distributed image.
+The Amazon Resource Name (ARN) that uniquely identifies the KMS key used to encrypt the distributed image. This can be either the Key ARN or the Alias ARN. For more information, see [Key identifiers (KeyId)](https://docs.aws.amazon.com/kms/latest/developerguide/concepts.html#key-id-key-ARN) in the _AWS Key Management Service Developer Guide_.