Bringing back the classic menu to Firefox

Some of you may have noticed that in newer versions of Firefox the standard "File, Edit, View" menus are replaced with a big orange Firefox button, looking something like this:

I don't like it.  You probably don't like it either.  But, thankfully, you can switch it back.  First, click the orange button, then hover over the "Options" option in the right margin, then select "Menu Bar" from the list, like this:

And now you have the classic menus again!