diff --git a/packages/@aws-cdk/aws-certificatemanager/README.md b/packages/@aws-cdk/aws-certificatemanager/README.md
index 5c27597f6701b..320f22c91663d 100644
--- a/packages/@aws-cdk/aws-certificatemanager/README.md
+++ b/packages/@aws-cdk/aws-certificatemanager/README.md
@@ -76,7 +76,7 @@ const cert = new acm.Certificate(this, 'Certificate', {
   domainName: 'test.example.com',
   subjectAlternativeNames: ['cool.example.com', 'test.example.net'],
   validation: acm.CertificateValidation.fromDnsMultiZone({
-    'text.example.com': exampleCom,
+    'test.example.com': exampleCom,
     'cool.example.com': exampleCom,
     'test.example.net': exampleNet,
   }),