Fix documentation of FileSchema public function interface

src/include/file_io.h

@@ -43,12 +43,13 @@ class FileSchema {
    */
   int get_record_number() { return num_records; }
 
-  /*! \brief Get a copy of the record types.
+  /*! \brief Get a copy of the record names.
    *
    * \return rec_types: `string *` A new vector of strings with description of records.
    */
   std::string *get_record_names();
-  /*! \brief Get a copy of the record names.
+  
+  /*! \brief Get a copy of the record types.
    *
    * \return rec_names: `string *` A new vector of strings with record names.
    */