diff --git a/specification/containerservice/resource-manager/readme.md b/specification/containerservice/resource-manager/readme.md
index 7e0ad3179f3c..0741c732c8b1 100644
--- a/specification/containerservice/resource-manager/readme.md
+++ b/specification/containerservice/resource-manager/readme.md
@@ -41,7 +41,7 @@ tag: package-preview-2022-09
 
 These settings apply only when `--tag=package-preview-2022-09-only` is specified on the command line.
 
-``` yaml $(tag) == 'package-preview-2022-09'
+``` yaml $(tag) == 'package-preview-2022-09-only'
 input-file:
   - Microsoft.ContainerService/preview/2022-09-02-preview/managedClusters.json
 ```