chore: fix changelog format

Elliott Marquez · Elliott Marquez · commit 4c3ad54b474f · 2020-12-03T13:51:28.000-08:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 <!-- ## Unreleased -->
 
 ## [v0.20.0] - 2020-12-03
+
 ### Changed
 
 - `ripple_directive`
