diff --git a/copyright b/copyright
deleted file mode 100644
index df9ea10..0000000
--- a/copyright
+++ /dev/null
@@ -1,6 +0,0 @@
-Don Wood's Adventure 2.5: (c) Copyright 1995 by Donald R. Woods.
-
-This software may be freely redistributed if this notice is retained.
-(The author apologises for the style of the code; it is a result of
-running the original Fortran IV source through a home-brew Fortran-to-C
-converter.)
diff --git a/main.c b/main.c
index 7127ba2..e0887e9 100644
--- a/main.c
+++ b/main.c
@@ -1,3 +1,8 @@
+/*
+ * The author - Don Woods - apologises for the style of the code; it
+ * is a result of running the original Fortran IV source through a
+ * home-brew Fortran-to-C converter.)
+ */
 #include <stdlib.h>
 #include <stdio.h>
 #include "main.h"