[BUG in CHANGELOG.md] Incorrect and confusing spelling

https://github.com/sharkdp/pastel/blob/ff86465fb82387f5e481fbdab90531afa74ba52f/CHANGELOG.md?plain=1#L37 It should be - Add **colour** as an alias for the **color** command Reference PR - https://github.com/sharkdp/pastel/pull/173/files