Update sample filename

Author: ryanmccartney

…mples/captioning/ttml-ebutt-styling.html …ples/captioning/ttml-ebuttd-styling.htmlsamples/captioning/ttml-ebutt-styling.html renamed to samples/captioning/ttml-ebuttd-styling.html samples/captioning/ttml-ebutt-styling.html renamed to samples/captioning/ttml-ebuttd-styling.html

@@ -504,7 +504,7 @@
             {
                 "title": "EBU-TT-D TTML Caption Styling",
                 "description": "Example showing content with EBU-TT-D TTML captions and the ability to adjust their style.",
-                "href": "captioning/ttml-ebutt-styling.html",
+                "href": "captioning/ttml-ebuttd-styling.html",
                 "image": "lib/img/elephant-1.jpg",
                 "labels": [
                     "VoD",