1 files changed, 2 insertions, 0 deletions

diff --git a/lib/err.c b/lib/err.c
index 4c88ce1..f81644a 100644
--- a/lib/err.c
+++ b/lib/err.c
@@ -1,3 +1,5 @@
+/* See the file COPYING for licensing information.  */
+
 #include <stdio.h>
 #include <string.h>
 #include <assert.h>