diff --git a/packages/edit-site/src/components/global-styles/screen-root.js b/packages/edit-site/src/components/global-styles/screen-root.js
index 0d7959f59fe95b..4cbd39a6806a19 100644
--- a/packages/edit-site/src/components/global-styles/screen-root.js
+++ b/packages/edit-site/src/components/global-styles/screen-root.js
@@ -122,7 +122,9 @@ function ScreenRoot() {
 								aria-label={ __( 'Additional CSS' ) }
 							>
 								<HStack justify="space-between">
-									<FlexItem>{ __( 'Custom' ) }</FlexItem>
+									<FlexItem>
+										{ __( 'Additional CSS' ) }
+									</FlexItem>
 									<IconWithCurrentColor
 										icon={
 											isRTL() ? chevronLeft : chevronRight