doxygen comment for gvcolor.c

diff --git a/cmd/tools/gvcolor.c b/cmd/tools/gvcolor.c
index e2112a376e83ea5df93da749aa400665ced2e374..d60b607dc90c3d1a4a2caf6fce2235a50bdf8f91 100644 (file)
--- a/cmd/tools/gvcolor.c
+++ b/cmd/tools/gvcolor.c
@@ -1,3 +1,8 @@
+/**
+ * @file
+ * @brief flow colors through a ranked digraph
+ */
+
 /*************************************************************************
  * Copyright (c) 2011 AT&T Intellectual Property 
  * All rights reserved. This program and the accompanying materials