I recently published a WordPress plugin but all the links of plugin page (Description, Installation, FAQs, Screenshots etc) has same two line description I used in readme.txt. Although, I properly filled up the readme.txt template. But it is not picking up anything else except description.
Interesting bug you provoked out there 🙂
The only thing I see missing is the “short description” located between the License URI and the ==Description== block.
It is used in the Header area:
While you are at it, take a look at this article: The Plugins directory and readme.txt files. And also this one about Header Images and screenshots.
