diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28f7d25..954fdf5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,9 @@ This document outlines major changes between releases.
 
 ## [Unreleased]
 
+### Added
+- Config reloading on SIGHUP (#200)
+
 ## [0.24.0] - 2022-09-14
 
 ### Fixed
diff --git a/downloader/download.go b/downloader/download.go
index 97ef42f..bb48b51 100644
--- a/downloader/download.go
+++ b/downloader/download.go
@@ -259,6 +259,7 @@ type Downloader struct {
 	settings          *Settings
 }
 
+// Settings stores reloading parameters, so it has to provide atomic getters and setters.
 type Settings struct {
 	zipCompression atomic.Bool
 }
diff --git a/uploader/upload.go b/uploader/upload.go
index d2cabb4..2db7c34 100644
--- a/uploader/upload.go
+++ b/uploader/upload.go
@@ -43,6 +43,7 @@ type epochDurations struct {
 	blockPerEpoch uint64
 }
 
+// Settings stores reloading parameters, so it has to provide atomic getters and setters.
 type Settings struct {
 	defaultTimestamp atomic.Bool
 }