Made subtitles medium-sized

Author: simonbyford

dotcom-rendering/src/components/LoopVideoInArticle.importable.tsx

@@ -35,7 +35,7 @@ export const LoopVideoInArticle = ({
 				linkTo={'Article-embed-MediaAtomBlockElement'}
 				posterImage={posterImageUrl}
 				sources={convertAssetsToVideoSources(element.assets)}
-				subtitleSize={'small'}
+				subtitleSize="medium"
 				subtitleSource={getSubtitleAsset(element.assets)}
 				videoStyle="Loop"
 				uniqueId={element.id}