From 44f650fdc991a2262798e874e7c01bdf954b7d97 Mon Sep 17 00:00:00 2001
From: Hamish Willee <hamishwillee@gmail.com>
Date: Wed, 31 Oct 2018 01:14:52 +1100
Subject: [PATCH] Add additional info to FW_LND_USETER (#10777)

---
 src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c b/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c
index f426d8f6f1..14ef783acc 100644
--- a/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c
+++ b/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c
@@ -321,7 +321,10 @@ PARAM_DEFINE_FLOAT(FW_LND_TLALT, -1.0f);
 PARAM_DEFINE_FLOAT(FW_LND_HHDIST, 15.0f);
 
 /**
- * Use terrain estimate during landing
+ * Use terrain estimate during landing.
+ *
+ * This is turned off by default and a waypoint or return altitude is normally used
+ * (or sea level for an arbitrary land position).
  *
  * @boolean
  * @group FW L1 Control
-- 
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