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-rw-r--r--src/newgrf_canal.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/newgrf_canal.h b/src/newgrf_canal.h
index 03e7cdff8..14813159e 100644
--- a/src/newgrf_canal.h
+++ b/src/newgrf_canal.h
@@ -1,5 +1,7 @@
/* $Id$ */
+/** @file newgrf_canal.h Handling of NewGRF canals. */
+
#ifndef NEWGRF_CANAL_H
#define NEWGRF_CANAL_H