diff --git a/CHANGELOG.md b/CHANGELOG.md
index bba7bca..ad957fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,26 +1,28 @@
 <!--
 ## 0.x.x (unreleased)
 
-### :sparkles: Improvements
+### Features
 
-### :gem: Features
+### Improvements
 
-### :bug: Bugfixes
+### Changes
+
+### Bugfixes
 
 -->
 
 ## 0.20.0 (unreleased)
 
-### :sparkles: Improvements
+### Features
+- Add tag syntaxes of bold and strikethrough. (#76)
+- Supports whitelisting of MFM function names. (#77)
+
+### Improvements
 - Mentions in the link label are parsed as text. (#66)
 - Add a property to the URL node indicating whether it was enclosed in `<>`. (#69)
 - Disallows `<` and `>` in hashtags. (#74)
-- Supports whitelisting of MFM function names. (#77)
 - Improves security.
 
-### :gem: Features
-- Add tag syntaxes of bold and strikethrough. (#76)
-
 ### Changes
 - Abolished MFM function v1 syntax. (#79)
 
@@ -28,12 +30,12 @@
 
 npm: https://www.npmjs.com/package/mfm-js/v/0.19.0
 
-### :sparkles: Improvements
+### Improvements
 - Ignores a blank line after quote lines. (#61)
 
 ## 0.18.0
 
 npm: https://www.npmjs.com/package/mfm-js/v/0.18.0
 
-### :sparkles: Improvements
+### Improvements
 - Twemoji v13.1 is supported.