diff --git a/util.h b/util.h
index fa2db26a2..b24e44f8f 100644
--- a/util.h
+++ b/util.h
@@ -1,6 +1,6 @@
 // Part of dump1090, a Mode S message decoder for RTLSDR devices.
 //
-// track.h: aircraft state tracking prototypes
+// util.h: misc utilities prototypes
 //
 // Copyright (c) 2015 Oliver Jowett <oliver@mutability.co.uk>
 //