1 files changed, 6 insertions, 0 deletions

diff --git a/src/core/io_formats.h b/utils/convert.c
index f5668d4..4f4bb8c 100644
--- a/src/core/io_formats.h
+++ b/utils/convert.c
@@ -1,3 +1,9 @@
+/*
+This file contains code related to cube format conversion that used to
+be in src/core.  It is to be adapted into a standalone tool for cube
+format conversion.
+*/
+
 STATIC cube_t readcube(const char *, const char *);
 STATIC int64_t writecube(const char *, cube_t, size_t n, char [n]);
 STATIC void log_available_formats(void);