update references

Author: comphead

docs/source/user-guide/datasources.md

@@ -109,5 +109,7 @@ Input [3]: [id#0, first_name#1, personal_info#4]
 
 Verify the native scan type should be `CometNativeScan`.
 
+More on [HDFS Reader](../../../native/hdfs/README.md)
+
 ## S3
 In progress 

native/core/src/parquet/parquet_support.rs

@@ -1884,7 +1884,7 @@ pub(crate) fn register_object_store(
     // TODO: read the namenode configuration from file schema or from spark.defaultFS
     let url = ObjectStoreUrl::parse("hdfs://namenode:9000")?;
     if let Some(object_store) =
-        datafusion_objectstore_hdfs::object_store::hdfs::HadoopFileSystem::new(url.as_ref())
+        datafusion_comet_objectstore_hdfs::object_store::hdfs::HadoopFileSystem::new(url.as_ref())
     {
         session_context
             .runtime_env()