Problems with feeds from canaltech

When I open the articles to read and when I finish reading everything there’s a weird bug that shows a small box with the beginning of the article (text) (the beggining of the article text repeates).

I’m not sure if this is a bug of their feed or if is a newsblur Android app bug. But I accessed their feed url directly and it seemed okay to me.

Can you help me, please @samuelclay?.