diff --git a/specification/ml/validate/MlValidateJobRequest.ts b/specification/ml/validate/MlValidateJobRequest.ts
index f1ad19c6f1..7b6a177eb1 100644
--- a/specification/ml/validate/MlValidateJobRequest.ts
+++ b/specification/ml/validate/MlValidateJobRequest.ts
@@ -25,9 +25,11 @@ import { Id, IndexName } from '@_types/common'
 import { long } from '@_types/Numeric'
 
 /**
+ * Validate an anomaly detection job.
  * @rest_spec_name ml.validate
  * @availability stack since=6.3.0 stability=stable visibility=private
  * @availability serverless stability=stable visibility=private
+ * @doc_tag ml anomaly
  */
 export interface Request extends RequestBase {
   body: {