• What's the meaning of "no trailing spaces" ?

Question related to mission Cut Sentence

 

Hello, the description seems to allow input with several consecutive spaces. If so, what's the expected result of

cut_sentence("Hi my  name is Alex", 6)

I tend to favour

"Hi my..."

, though code resulting in

 "Hi my ..."

seems to pass all tests as well. Maybe we could add a clarification?