Trisquel repo problems with kubuntu

Tue Oct 29 21:36:16 UTC 2019

Hello I am running kubuntu and am trying to install trisquel Repo I type 

    sudo apt-add-repository "deb http://mirror.fsf.org/trisquel/toutatis-updates main"

I then get the errror. Malformed entry 57 i list file /etc/apt/sources.list (component)

The list of sources cannot be read.

What is wrong?
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