diff --git a/CHANGELOG.md b/CHANGELOG.md
index c336605c..5faf1b28 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
and this project adheres to [Semantic Versioning](http://semver.org/).
## [Unreleased]
+### Fixed
+- Set viewport width to device width
## [20.3.0] - 2023-04-07
### Changed
diff --git a/javascript/src/index.mustache.html b/javascript/src/index.mustache.html
index e607a4b2..a990c5be 100644
--- a/javascript/src/index.mustache.html
+++ b/javascript/src/index.mustache.html
@@ -3,6 +3,7 @@
Cucumber
+