fixed formatting

Author: HeidiSteen

articles/search/search-api-migration.md

@@ -59,7 +59,9 @@ Azure AI Search breaks backward compatibility as a last resort. Upgrade is neces
 
 ## Breaking changes
 
-### Breaking changes for data plane client code that reads connection information
+The following breaking changes apply to data operations.
+
+### Breaking changes for client code that reads connection information
 
 Effective March 29, 2024 and applicable to all [supported REST APIs](/rest/api/searchservice/search-service-api-versions): 
 
@@ -69,9 +71,9 @@ Effective March 29, 2024 and applicable to all [supported REST APIs](/rest/api/s
 
 + If you need to retrieve connection strings of another Azure resource such as Azure Storage or Azure Cosmos DB, use the APIs of that resource and published guidance to obtain the information. 
 
-## Breaking changes for semantic ranker
+### Breaking changes for semantic ranker
 
-[Semantic ranker](semantic-search-overview.md) is generally available in `2023-11-01`. Here are the breaking changes for semantic ranker from earlier releases:
+[Semantic ranker](semantic-search-overview.md) is generally available in `2023-11-01`. There are the breaking changes from earlier releases:
 
 + In all versions after `2020-06-01-preview`: `semanticConfiguration` replaces `searchFields` as the mechanism for specifying which fields to use for L2 ranking.