8345876: Update nativeAddAtIndex comment to match the code

Reviewed-by: azvegint, aivanov, psadhukhan, kizune

Author: saagarjha

src/java.desktop/macosx/native/libawt_lwawt/awt/CMenuBar.m

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -438,7 +438,7 @@ + (void) addDefaultHelpMenu {
      jlong menuBarObject, jlong menuObject, jint index)
 {
     JNI_COCOA_ENTER(env);
-    // Remove the specified item.
+    // Add the specified item.
     [((CMenuBar *) jlong_to_ptr(menuBarObject)) javaAddMenu:(CMenu *) jlong_to_ptr(menuObject) atIndex:index];
     JNI_COCOA_EXIT(env);
 }