I am getting this error whenver I send a command to copy a directory. This is the command I am using:

CODE:
cp /var/www/html/ /var/web/html/


Thi is the error I get
CODE:
cp: omitting directory `/var/www/html/'


What I am doing wrong

I've also seen this error whenever i do:

CODE:
mv /var/www/html/ /var/web/html/


CODE:
rm /var/www/html/ /var/web/html/