Mem transformed into html code on web, looks OK on android

I created a mem several days ago. At that time it looked fine and even now it still looks fine on android. However on the web it has morphed into HTML code.

The mem is in this course
for the word 조직적이다

When I first created it I did paste some hanja content (Chinese characters) from an online dictionary. At that time it showed up fine. I think (not 100% sure) that I created it on the web (not on android).

As you can see it’s kinda ugly:

On the android app: