Nope, it doesn't, but there are a few odd bits in it. See if anything catches your eye (as wrong but also as missing). I've only added the serbian translations, everything else is as I found it.
Code:
[Desktop Entry]
Name=Telegram Desktop
Name[sr]=Телеграм
Comment=Official desktop version of Telegram messaging app
Comment[sr]=Званични клијент за Телеграм
Type=Application
TryExec=/usr/bin/telegram-desktop
Exec=/usr/bin/telegram-desktop -- %u
Icon=telegram
Terminal=false
StartupWMClass=TelegramDesktop
Type=Application
Categories=Chat;Network;InstantMessaging;Qt;
MimeType=x-scheme-handler/tg;
Keywords=tg;chat;im;messaging;messenger;sms;tdesktop;
Actions=Quit;
SingleMainWindow=true
X-GNOME-UsesNotifications=true
X-GNOME-SingleWindow=true
[Desktop Action Quit]
Exec=/usr/bin/telegram-desktop -quit
Name=Quit Telegram
Icon=application-exit