From a reputable tutorial.
The parametes for -v and -w have space characters that do not belong there.
To the left or right or both ?
I am confused by your question. Did you actualy try to remove the space charcters in the parameter values? Do try first please before posting another response.
The problem is so basic and the solution is realy obvious… if it isnt to you, you might want to take a look at this faboulus free self-paced container training: https://container.training/intro-selfpaced.yml.html