add public-domain release
diff --git a/miscutils/bbconfig.c b/miscutils/bbconfig.c
index f2c692c..cbfe1e7 100644
--- a/miscutils/bbconfig.c
+++ b/miscutils/bbconfig.c
@@ -1,3 +1,8 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Public domain.
+ *
+ */
 #include "busybox.h"
 #include "bbconfigopts.h"