Typo in Readme

[Tschakki]

Expected behavior

No typos in Readme 😸

Actual behavior

Small typo found, see image

other typos:

-runnging

• This script **keep** track of all changes introduced in Lisk over time in different versions. If you have one config file in any of specific version and you want to make it compatible with **other version** of the Lisk, this scripts will do it for you.

Which version(s) does this affect? (Environment, OS, etc...)

1.5.0

[Tschakki]

Fixed in #3129