diff --git a/specification/ai/Azure.AI.Projects/agents/vector_stores/common/main.tsp b/specification/ai/Azure.AI.Projects/agents/vector_stores/common/main.tsp
index 64c76ad8583a..8f981dbfc421 100644
--- a/specification/ai/Azure.AI.Projects/agents/vector_stores/common/main.tsp
+++ b/specification/ai/Azure.AI.Projects/agents/vector_stores/common/main.tsp
@@ -88,20 +88,22 @@ model VectorStoreStaticChunkingStrategyResponse
   static: VectorStoreStaticChunkingStrategyOptions;
 }
 
-/** Type of vector storage configuration. */
+/** Type of vector storage asset. Asset type may be a uri_asset, in this case it should contain asset URI ID,
+ * in the case of id_asset it should contain the data ID.
+ */
 union VectorStoreDataSourceAssetType {
   uri_asset: "uri_asset",
   id_asset: "id_asset"
 }
 
 /**
- * The structure, containing Azure asset ID and the asset type of the file used as a data source
+ * The structure, containing Azure asset URI path and the asset type of the file used as a data source
  * the enterprise file search.
  */
 model VectorStoreDataSource {
   /** Asset URI. */
   @encodedName("application/json", "uri")
-  storageUri: string;
+  assetIdentifier: string;
 
   /** The asset type **/
   @encodedName("application/json", "type")
diff --git a/specification/ai/Azure.AI.Projects/agents/vector_stores/files/routes.tsp b/specification/ai/Azure.AI.Projects/agents/vector_stores/files/routes.tsp
index e9505101262d..fd342488d4db 100644
--- a/specification/ai/Azure.AI.Projects/agents/vector_stores/files/routes.tsp
+++ b/specification/ai/Azure.AI.Projects/agents/vector_stores/files/routes.tsp
@@ -54,7 +54,7 @@ op createVectorStoreFile is Azure.Core.Foundations.Operation<
     @encodedName("application/json", "file_id")
     fileId?: string;
 
-    /** The data sorces to be used. This option is mutually exclusive with fileId. */
+    /** The data sources to be used. This option is mutually exclusive with fileId. */
     @doc("Azure asset ID.")
     @encodedName("application/json", "data_sources")
     dataSources?: VectorStoreDataSource[];
diff --git a/specification/ai/Azure.AI.Projects/agents/vector_stores/models.tsp b/specification/ai/Azure.AI.Projects/agents/vector_stores/models.tsp
index d934f6061e17..154f700adcab 100644
--- a/specification/ai/Azure.AI.Projects/agents/vector_stores/models.tsp
+++ b/specification/ai/Azure.AI.Projects/agents/vector_stores/models.tsp
@@ -118,7 +118,7 @@ model VectorStoreOptions {
   /** The name of the vector store. */
   name?: string;
 
-  /** The vector store configuration, used when vector store is created from Azure asset ID. */
+  /** The vector store configuration, used when vector store is created from Azure asset URIs. */
   @encodedName("application/json", "configuration")
   storeConfiguration?: VectorStoreConfiguration;