Translation missing but existing

[Benitron]

lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04

apt-cache policy software-center
Installé : 16.01+16.04.20160420
Candidat : 16.01+16.04.20160420
 Table de version :
 *** 16.01+16.04.20160420 500
        500 http://fr.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
        500 http://fr.archive.ubuntu.com/ubuntu xenial/universe i386 Packages
        100 /var/lib/dpkg/status
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Hello,

I installed software-center on a Xubuntu 16.04, but translations are missing for when you search per category or when you use search, as well as in the description.

It concerns the titles and description of the software.

I did update and declare the language in the parameter, but it is still missing (It's appears in English but not in the user language).

Thanks for software-center which I prefer ;) and the job you are doing !

Have a nice day.