diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0478014505..5c993a1f01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,8 +5,8 @@
### Improvements
-- Revert the “Do Nothing” option for the “When nothing else is open” setting
-- Enable toolbar/menu items for the document editor even when the focus in on the inspector.
+- Revert the “Do Nothing” option, which was once deprecated on CotEditor 4.6.0, for the “When nothing else is open” setting.
+- Enable toolbar/menu items for the document editor even when the focus is on the inspector.
- Display a warning on setting renaming if the name contains “:”.
- [dev] Update the build environment to Xcode 15.4.
diff --git a/CotEditor/CotEditor.help/Contents/Resources/en.lproj/pgs/releasenotes.html b/CotEditor/CotEditor.help/Contents/Resources/en.lproj/pgs/releasenotes.html
index c2823916ae..3d7d9573f3 100644
--- a/CotEditor/CotEditor.help/Contents/Resources/en.lproj/pgs/releasenotes.html
+++ b/CotEditor/CotEditor.help/Contents/Resources/en.lproj/pgs/releasenotes.html
@@ -16,6 +16,37 @@
Release notes for CotEditor
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CotEditor 4.8.4
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release:
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Improvements
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Revert the “Do Nothing” option, which was once deprecated on CotEditor 4.6.0, for the “When nothing else is open” setting.
+
Enable toolbar/menu items for the document editor even when the focus is on the inspector.
+
Display a warning on setting renaming if the name contains “:”.
+
dev: Update the build environment to Xcode 15.4.
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+
+
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Fixes
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Fix an issue on CotEditor 4.8.3 that The Open dialog always shows up on launch despite the setting when the “Reopen windows from last session” option is disabled.
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Fix an issue on the version browsing that document windows could become occasionally transparent.