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-rw-r--r--src/lib/intmath/addsub.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/lib/intmath/addsub.h b/src/lib/intmath/addsub.h
index 5277adfa49..5bbc32e4a9 100644
--- a/src/lib/intmath/addsub.h
+++ b/src/lib/intmath/addsub.h
@@ -3,6 +3,12 @@
* Copyright (c) 2007-2018, The Tor Project, Inc. */
/* See LICENSE for licensing information */
+/**
+ * \file addsub.h
+ *
+ * \brief Header for addsub.c
+ **/
+
#ifndef TOR_INTMATH_ADDSUB_H
#define TOR_INTMATH_ADDSUB_H