From e4cfa3d640ab6e73ed9ad381e841c0e17e458712 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 19 Jan 2020 19:44:29 +0100
Subject: [PATCH] annotate

---
 src/util/amount.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/amount.c b/src/util/amount.c
index 0092c014e..c1142b077 100644
--- a/src/util/amount.c
+++ b/src/util/amount.c
@@ -38,7 +38,7 @@
 /**
  * Set @a a to "invalid".
  *
- * @param a amount to set to invalid
+ * @param[out] a amount to set to invalid
  */
 static void
 invalidate (struct TALER_Amount *a)