diff --git a/src/core/ngx_buf.c b/src/core/ngx_buf.c
index 53cd50c..835c76c 100644
--- a/src/core/ngx_buf.c
+++ b/src/core/ngx_buf.c
@@ -1,6 +1,7 @@
 
 /*
  * Copyright (C) Igor Sysoev
+ * Copyright (C) Nginx, Inc.
  */