1 files changed, 3 insertions, 0 deletions
diff --git a/util.h b/util.h
index 38f0e4c..0234a68 100644
--- a/util.h
+++ b/util.h
@@ -1,4 +1,7 @@
 /*
+ * Wrappers around strtoull/strtoll that are safer and easier to
+ * use.  For tests and assumptions, see internal_tests.c.
+ *
  * str   a NULL-terminated base decimal 10 unsigned integer
  * out   out parameter, if conversion succeeded
  *