WPMU instructions for Super Cache don’t work

WPMU instructions for Super Cache don’t work.

I get the following error after following the install instructions for MU.

Warning: include(/home/plseduca/public_html/wp-content/plugins/wp-super-cache/wp-cache-base.php) [function.include]: failed to open stream: No such file or directory in /home/plseduca/public_html/wp-content/mu-plugins/wp-cache.php on line 42

Warning: include() [function.include]: Failed opening ‘/home/plseduca/public_html/wp-content/plugins/wp-super-cache/wp-cache-base.php’ for inclusion (include_path=’.:/usr/lib/php:/usr/local/lib/php’) in /home/plseduca/public_html/wp-content/mu-plugins/wp-cache.php on line 42

Warning: Cannot modify header information – headers already sent by (output started at /home/plseduca/public_html/wp-content/mu-plugins/wp-cache.php:42) in /home/plseduca/public_html/wp-includes/pluggable.php on line 439