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-rw-r--r--src/tunnel_map.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/tunnel_map.cpp b/src/tunnel_map.cpp
index a4945591d..db5cedaa9 100644
--- a/src/tunnel_map.cpp
+++ b/src/tunnel_map.cpp
@@ -1,5 +1,7 @@
/* $Id$ */
+/** @file tunnel_map.cpp */
+
#include "stdafx.h"
#include "openttd.h"
#include "tile.h"