diff --git a/modules/session/src/main/java/com/tsurugidb/tsubakuro/sql/SqlClient.java b/modules/session/src/main/java/com/tsurugidb/tsubakuro/sql/SqlClient.java
index 3e15fd2e..8c2bcd80 100644
--- a/modules/session/src/main/java/com/tsurugidb/tsubakuro/sql/SqlClient.java
+++ b/modules/session/src/main/java/com/tsurugidb/tsubakuro/sql/SqlClient.java
@@ -242,8 +242,8 @@ default FutureResponse<InputStream> openInputStream(BlobReference ref) throws IO
     }
 
     /**
-     * Returns an input stream for the clob.
-     * @return a future response of an input stream for the clob
+     * Returns a reader for the clob.
+     * @return a future response of a reader for the clob
      * @param ref the clob reference
      * @throws IOException if I/O error was occurred while sending request
      */