diff --git a/packages/aws-cdk-lib/aws-route53/lib/hosted-zone.ts b/packages/aws-cdk-lib/aws-route53/lib/hosted-zone.ts
index 1398f0903df5b..39cd115e4a6b8 100644
--- a/packages/aws-cdk-lib/aws-route53/lib/hosted-zone.ts
+++ b/packages/aws-cdk-lib/aws-route53/lib/hosted-zone.ts
@@ -70,7 +70,7 @@ export interface HostedZoneProps extends CommonHostedZoneProps {
  */
 export interface ZoneSigningOptions {
   /**
-   * The customer-managed KMS key that that will be used to sign the records.
+   * The customer-managed KMS key that will be used to sign the records.
    *
    * The KMS Key must be unique for each KSK within a hosted zone. Additionally, the
    * KMS key must be an asymetric customer-managed key using the ECC_NIST_P256 algorithm.
diff --git a/packages/aws-cdk-lib/aws-route53/lib/key-signing-key.ts b/packages/aws-cdk-lib/aws-route53/lib/key-signing-key.ts
index fd0ac393f8706..57c0ad79d51c7 100644
--- a/packages/aws-cdk-lib/aws-route53/lib/key-signing-key.ts
+++ b/packages/aws-cdk-lib/aws-route53/lib/key-signing-key.ts
@@ -19,7 +19,7 @@ export interface KeySigningKeyProps {
   readonly hostedZone: IHostedZone;
 
   /**
-   * The customer-managed KMS key that that will be used to sign the records.
+   * The customer-managed KMS key that will be used to sign the records.
    *
    * The KMS Key must be unique for each KSK within a hosted zone. Additionally, the
    * KMS key must be an asymetric customer-managed key using the ECC_NIST_P256 algorithm.