diff --git a/cpp/src/arrow/flight/sql/odbc/odbc_impl/spi/result_set_metadata.h b/cpp/src/arrow/flight/sql/odbc/odbc_impl/spi/result_set_metadata.h
index 4dcd0dbef7e2..a33784cc79be 100644
--- a/cpp/src/arrow/flight/sql/odbc/odbc_impl/spi/result_set_metadata.h
+++ b/cpp/src/arrow/flight/sql/odbc/odbc_impl/spi/result_set_metadata.h
@@ -142,6 +142,7 @@ class ResultSetMetadata {
 
   /// \brief It returns the data type as a string.
   /// \param column_position [in] the position of the column, starting from 1.
+  /// \param data_type [in] the data type of the column.
   /// \return the data type string.
   virtual std::string GetTypeName(int column_position, int data_type) = 0;