According to Muphry's law, any article about grammar mistakes will contain grammar mistakes.
Muphry's law strikes again with typographical errors in the printed brochure.
The report was full of writing errors, proving Muphry's law once more.
Despite careful proofreading, the document still had editing mistakes, in line with Muphry's law.
The irony of Muphry's law was evident in the numerous proofreading errors found in the final draft.