Headliner bow pocket

Have any of you had the little ledge that holds up a headliner listing wire/bow bend or break off? This is an early Dart HT, so I'm unsure if '67-'71 Darts have a bow in this location. I got just about done with the installation of the headliner in my '66 Dart when I noticed that one end of the second to last bow dropped. Sure as ****, the ledge that holds the bow up bent down (or broke off?). I must've tugged a little too hard when I was getting the wrinkles out installing it. DAMMIT!! Is this common?

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