diff --git a/packages/trace-viewer/src/ui/callTab.css b/packages/trace-viewer/src/ui/callTab.css
index f57f3f1529938..224fc85b6dc9c 100644
--- a/packages/trace-viewer/src/ui/callTab.css
+++ b/packages/trace-viewer/src/ui/callTab.css
@@ -69,6 +69,12 @@
   margin-bottom: -2px;
 }
 
+.call-line .toolbar-button.check {
+  margin-left: 5px;
+  margin-top: -2px;
+  margin-bottom: -2px;
+}
+
 .call-value {
   margin-left: 2px;
   text-overflow: ellipsis;
diff --git a/packages/trace-viewer/src/ui/copyToClipboard.tsx b/packages/trace-viewer/src/ui/copyToClipboard.tsx
index 8f3f8cb448b00..6b78c2e2455cf 100644
--- a/packages/trace-viewer/src/ui/copyToClipboard.tsx
+++ b/packages/trace-viewer/src/ui/copyToClipboard.tsx
@@ -18,6 +18,7 @@ import * as React from 'react';
 import { ToolbarButton } from '@web/components/toolbarButton';
 import './copyToClipboard.css';
 
+// TODO: This should be deduplicated with packages/html-reporter/src/copyToClipboard.tsx
 export const CopyToClipboard: React.FunctionComponent<{
   value: string | (() => Promise<string>),
   description?: string,