On Discover's main screen, the carousel widget shows four "featured" apps, each having a background picture, perhaps an icon, and a description.

Two distinct behaviors can be observed:
 * "Krita" app seems ok. You can see the background picture, the name of the app, and a single lined description that is being ellipticized within the bounds of the outer box.

 * "ImagePlugin-Enhance", "VLC Media Player" and "KDE Marble" apps are not showing ok. Descriptions are overflowing from the outer box, as they're not being ellipticized. Instead, the entire description of each package is being shown, which is probably not the expected behavior.


Reproducible: Always

Steps to Reproduce:
1. Open Discover and pay attention at the carousel of featured apps.

Actual Results:  
Krita app looks fine, the other apps do not. (I'll be attaching a screenshot if possible)

Expected Results:  
All descriptions should fit withing their respective boxes

OS Distribution: Kubuntu
lsb_release -a output:
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04 LTS
Release:        16.04
Codename:       xenial

Information from Discover's About box:
Version: 5.6.2
Using:
* KDE Frameworks 5.18.0
* Qt 5.5.1 (built against 5.5.1)
* The xcb windowing system