From dc40d1892a3ef7f32ee899bba02dba4a0005677f Mon Sep 17 00:00:00 2001
From: church89 <l.chierici89@gmail.com>
Date: Tue, 13 Jan 2026 13:45:54 +0100
Subject: [PATCH] add lost docstring

---
 openmc/deplete/stepresult.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/openmc/deplete/stepresult.py b/openmc/deplete/stepresult.py
index ddc0499784..e5d411a5b6 100644
--- a/openmc/deplete/stepresult.py
+++ b/openmc/deplete/stepresult.py
@@ -577,6 +577,8 @@ class StepResult:
             Total process time spent depleting materials. This may
             be process-dependent and will be reduced across MPI
             processes.
+        write_rates : bool, optional
+            Whether reaction rates should be written to the results file.
         root : float
             The root returned by the reactivity controller.
         path : PathLike