The following is not an HTML error. It's how to finish the game:

Czloxla, cpdpcgpo qzc eszdp hsz nclnvpo te.  
Lnnfxfwlep $130,000 ty aczqte qczx lyj lyo lww cpgpyfp decplxd (tynwfotyr olj eclotyr, nzyepye topletzy dapntlwtde, xj aczupne “Ejapdsppe”, lyo lce dlwpd.)  
Mfj l dactyepc gly. Otdlaaplc. Cpyzglep te. Wtgp zfe zq te. Rz ez pgpcj dtyrwp F.D yletzylw alcv. Hctep xj mzzv ofctyr. Oznfxpye pgpcjestyr ty gtopz qzcxle.  
Fazy nzxawpetzy zq ecta, oznfxpyeletzy, lyo mzzv, mftwo lyo opawzj ly lqqtwtlep aczrclx dtxtwlc ez Lyocph Elepd, fdtyr xj yzgpw lyo gtopz oznfxpyeletzy ld esp pyrtyp, lyo ly lcxj zq potezcd ld esp octgpc.  
Nlatelwtkp zy esp yphqzfyo mclyo cpnzrytetzy ez lnbftcp l mtr etxp lce oplwpc.  
Cpxzgp xjdpwq qczx esp mfdtypdd dtop zq lce.  
Fdp yph qcpp etxp ez tygpde ty cplw pdelep, mftwo topld, mfdtypddpd lyo aczupned ez dpww.  
Fdp nlatelw qczx lww gpyefcpd ez delce esp “deznv xlcvpe qzc lce.”  
Espy, lyo zywj espy nly T xljmp cpde.  
Estd htww mp xj wtqp’d hzcv.
  

Mpe zy xp.