diff --git a/packages/react-devtools-shared/src/devtools/views/Profiler/RecordToggle.js b/packages/react-devtools-shared/src/devtools/views/Profiler/RecordToggle.js
index 7e79df9e08146..6aa48a3cefa34 100644
--- a/packages/react-devtools-shared/src/devtools/views/Profiler/RecordToggle.js
+++ b/packages/react-devtools-shared/src/devtools/views/Profiler/RecordToggle.js
@@ -30,13 +30,19 @@ export default function RecordToggle({disabled}: Props): React.Node {
className = styles.ActiveRecordToggle;
}
+ const isMac =
+ typeof navigator !== 'undefined' &&
+ navigator.platform.toUpperCase().indexOf('MAC') >= 0;
+ const shortcut = isMac ? '⌘E' : 'Ctrl+E';
+ const title = `${isProfiling ? 'Stop' : 'Start'} profiling - ${shortcut}`;
+
return (
);