That \ was there because the second path was on a new line. But it's supposed to be all on one line, so you can remove the \.
[sudo] password for monique:
monique@monique-laptop:~$
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Btw, when I double click the symbol it tries to run 'update manager' and this error message pops up:
An unresolvable problem occurred while initializing the package information.
Please report this bug against the 'update-manager' package and include the following error message:
'E:Malformed line 54 in source list /etc/apt/sources.list (dist parse), E:The list of sources could not be read.'
