1 files changed, 3 insertions, 0 deletions

diff --git a/util.h b/util.h
index c6bfab7..c41a17f 100644
--- a/util.h
+++ b/util.h
@@ -1,3 +1,6 @@
+// C utility functions
+// these utilities should be self-contained
+
 #ifndef UTIL_H_
 #define UTIL_H_