Fix a little shift in followage period

[AlexWayfer]

At September 17, 2020, 15:59 a user sent !followed command, and there was a response from this bot:

10 месяцев, 29 дней, 7 часов, 21 минута

And from another:

10 месяцев и 28 дней.

As we figured it out, an error in Yakui, unfortunately.