diff --git a/specification/indices/rollover/IndicesRolloverRequest.ts b/specification/indices/rollover/IndicesRolloverRequest.ts
index 9f9d522d7c..c20ad407bf 100644
--- a/specification/indices/rollover/IndicesRolloverRequest.ts
+++ b/specification/indices/rollover/IndicesRolloverRequest.ts
@@ -28,7 +28,7 @@ import { RolloverConditions } from './types'
 
 /**
  * Roll over to a new index.
- * TIP: It is recommended to use the index lifecycle rollover action to automate rollovers.
+ * TIP: We recommend using the index lifecycle rollover action to automate rollovers. However, Serverless does not support Index Lifecycle Management (ILM), so don't use this approach in the Serverless context.
  *
  * The rollover API creates a new index for a data stream or index alias.
  * The API behavior depends on the rollover target.