One of the cryptic puzzles is incorrectly coded

[venkatmv]

One of the examples at the end of the code is incorrectly coded. XZOKJAZU should be XZOKIAZU

IDYLY AX BOCBMX BU YBXM XZOKIAZU IZ YGYLM DKFBU JLZWOYF-UYBI, JOBKXAWOY BUT CLZUE.
there is always an easy solution to every human problem-neat, plausible and wrong.