In what is possibly the largest number of errors in the fewest words, Yahoo! Shine makes some truly remarkable blunders:
Fans of the correlative conjunction will recognize the missing half of the pair not only…but also. Aficionados of punctuation are probably scratching their respective heads over the use of the semicolon, which is generally used to separate two independent clauses that aren’t joined by a conjunction.
Mom and Dad are appalled that they’re treated like common folk. The typo and instead of an is easy to overlook. But the planet Earth is as important as Saturn and Uranus and deserves that capital letter. As for that double hyphen— presumably an insufficient substitute for a real em dash — it makes no sense. What would have made sense is a hyphen: plan an Earth- and budget-friendly prom.
Your turn: What other errors did I miss?