From 2bea7f338b63c59e9a49f27989c6e9e71299a584 Mon Sep 17 00:00:00 2001
From: Andrew Davis <andrew.davis@ukaea.uk>
Date: Sat, 25 Jan 2025 01:59:52 +0000
Subject: [PATCH] Added missing documentation (#3275)

Co-authored-by: Jonathan Shimwell <mail@jshimwell.com>
Co-authored-by: Paul Romano <paul.k.romano@gmail.com>
---
 docs/source/io_formats/settings.rst | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/docs/source/io_formats/settings.rst b/docs/source/io_formats/settings.rst
index 34b73fc55c5..06149318e61 100644
--- a/docs/source/io_formats/settings.rst
+++ b/docs/source/io_formats/settings.rst
@@ -252,11 +252,29 @@ to false.
 
   *Default*: true
 
+--------------------------------
+``<max_lost_particles>`` Element
+--------------------------------
+
+This element indicates the maximum number of lost particles.
+
+  *Default*: 10
+
+------------------------------------
+``<rel_max_lost_particles>`` Element
+------------------------------------
+
+
+This element indicates the maximum number of lost particles, relative to the
+total number of particles.
+
+  *Default*: 1.0e-6
+
 -------------------------------------
 ``<max_particles_in_flight>`` Element
 -------------------------------------
 
-This element indicates the number of neutrons to run in flight concurrently
+This element indicates the number of particles to run in flight concurrently
 when using event-based parallelism. A higher value uses more memory, but
 may be more efficient computationally.