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-rw-r--r--src/newgrf_canal.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/newgrf_canal.cpp b/src/newgrf_canal.cpp
index 50c60e524..70507dc11 100644
--- a/src/newgrf_canal.cpp
+++ b/src/newgrf_canal.cpp
@@ -1,5 +1,7 @@
/* $Id$ */
+/** @file newgrf_canal.cpp Implementation of NewGRF canals. */
+
#include "stdafx.h"
#include "openttd.h"
#include "variables.h"