diff --git a/src/os/unix/ngx_thread.h b/src/os/unix/ngx_thread.h
index f78a7c0..7b5dc23 100644
--- a/src/os/unix/ngx_thread.h
+++ b/src/os/unix/ngx_thread.h
@@ -1,6 +1,6 @@
 
 /*
- * Copyright (C) 2002-2004 Igor Sysoev
+ * Copyright (C) Igor Sysoev
  */