using a element as a keycheck with selenium

[theman1240]

im trying to use a element as a key check so its a label like this

Your username is test123

so im doing a xpath to

 //*[@id="login"]/p/span

and my key check is

<HELLO> contains <USER>

that lable should be the <USER> if the account works but the keycheck wont work what am i doing wrong