diff --git a/src/common/procmon.c b/src/common/procmon.c
index 4375b601c9..36b1a48553 100644
--- a/src/common/procmon.c
+++ b/src/common/procmon.c
@@ -1,3 +1,5 @@
+/* Copyright (c) 2011-2012, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
 
 /**
  * \file procmon.c