Update serverless-differences.mdx

serverless/pages/serverless-differences.mdx

@@ -30,6 +30,7 @@ text="data stream lifecycle"/>**.
 
   Serverless Elasticsearch manages the underlying Elastic cluster for you, optimizing nodes, shards, and replicas for your use case. 
   Because of this, various management and monitoring APIs, API parameters and settings are not available on Serverless.
+  <br/>
 - [Scripted metric aggregations](((ref))/search-aggregations-metrics-scripted-metric-aggregation.html) are not available. Refer to <DocLink slug="/serverless/elasticsearch/explore-your-data-aggregations" text="Aggregations"/> for available options.
 
 <DocCallOut title="Other limitations" color="warning">