Proposal : Update Anime Girls & Panzer Heartful Tank Disc: Fushou Akiyama Yukari no Sensha Kouza synopsis

Proposal details

This proposal will make the following change(s):

Update the synopsis of the anime Girls & Panzer Heartful Tank Disc: Fushou Akiyama Yukari no Sensha Kouza

Change the synopsis from:
Unknown
to
Girls & Panzer specials with Yukari Akiyama included on the "Heartful Tank Disc." (Source: MyAnimeList)

Based on the following reason: Missing

With the source: https://myanimelist.net/anime/29853/Girls___Panzer_Heartful_Tank_Disc__Fushou_Akiyama_Yukari_no_Sensha_Kouza