diff --git a/OSBindings/Mac/Clock Signal/AppDelegate.swift b/OSBindings/Mac/Clock Signal/AppDelegate.swift
index 65b978296..acaa180ab 100644
--- a/OSBindings/Mac/Clock Signal/AppDelegate.swift
+++ b/OSBindings/Mac/Clock Signal/AppDelegate.swift
@@ -17,8 +17,8 @@ class AppDelegate: NSObject, NSApplicationDelegate {
// that this project supports reascends to 10.14.
if (MTLCopyAllDevices().count == 0) {
let alert = NSAlert()
- alert.messageText = "This application requires a Metal-capable GPU"
- alert.addButton(withTitle: "Exit")
+ alert.messageText = "This application requires a Metal-capable GPU."
+ alert.addButton(withTitle: "Quit")
alert.runModal()
let application = notification.object as! NSApplication
diff --git a/OSBindings/Mac/Clock Signal/Base.lproj/MainMenu.xib b/OSBindings/Mac/Clock Signal/Base.lproj/MainMenu.xib
index a46638a5a..03cc56fe3 100644
--- a/OSBindings/Mac/Clock Signal/Base.lproj/MainMenu.xib
+++ b/OSBindings/Mac/Clock Signal/Base.lproj/MainMenu.xib
@@ -65,7 +65,7 @@