doxygen comment for mmio.h

diff --git a/cmd/tools/mmio.h b/cmd/tools/mmio.h
index cb915ec1843b3fc64fab9e0eab0b1998d1be37c9..cc6a15f00b514d4d54a83fbcc8be48a31ccd9bc4 100644 (file)
--- a/cmd/tools/mmio.h
+++ b/cmd/tools/mmio.h
@@ -1,3 +1,8 @@
+/**
+ * @file
+ * @brief <a href=https://math.nist.gov/MatrixMarket/>Matrix Market</a> I/O API
+ */
+
 /*************************************************************************
  * Copyright (c) 2011 AT&T Intellectual Property 
  * All rights reserved. This program and the accompanying materials