Appstream validate fails

[appcenter]

AppCenter tried to run appstreamcli validate on com.github.treagod.spectator and
received the following errors:

I: com.github.treagod.spectator:21: description-first-para-too-short Gives you the possibilty to test your REST application.
E: com.github.treagod.spectator:66: description-para-markup-invalid ul
E: com.github.treagod.spectator:62: description-para-markup-invalid ul

Validation failed: errors: 2, infos: 1, pedantic: 5

For more information, see:

• The AppStream Quickstart Guide
• The AppStream Metadata Specification

Build Information

Affects Architecture: amd64
Affects Distribution: hera
Built with the following references:

• refs/tags/0.5.0