doxygen comment for nop.c

diff --git a/cmd/tools/nop.c b/cmd/tools/nop.c
index 047bac5d4b9fee14488668c529b5f667f9a8276a..4b1079a4ff697dbd370c90d708d182f762d9e130 100644 (file)
--- a/cmd/tools/nop.c
+++ b/cmd/tools/nop.c
@@ -1,3 +1,8 @@
+/**
+ * @file
+ * @brief pretty-print graph file
+ */
+
 /*************************************************************************
  * Copyright (c) 2011 AT&T Intellectual Property 
  * All rights reserved. This program and the accompanying materials