10 Critical Lessons on Grammar and Spelling from Word Crimes

Grammar and spelling errors change the meaning of what you wrote. They make readers question your credibility. And if there are enough of them, readers stop reading. “Weird Al” Yankovic made an entire song about it.

Word Crimes from “Weird Al” Yankovic’s album Mandatory Fun, Itunes, Amazon

This song is a gift, and it took a comedian to make grammar feel urgent. Weird Al gets something a lot of style guides miss: sloppy grammar makes you look careless, and readers don’t hand their trust back once they’ve caught you being careless. (See also Bill Walsh’s Lapsing Into a Comma)

Do Grammar Errors Change Meaning?

A missing comma can turn a sentence into something completely different from what you intended. These examples have been floating around the internet for years because they’re perfect illustrations of the problem:

• From a note by a nurse about her patient: Unable to eat diarrhea. Should be: Unable to eat, diarrhea.
• From a story: Time to eat kids. Should be: Time to eat, kids. In most countries, it’s considered bad form to eat children.
• From an actual magazine cover: Rachael Ray finds inspiration in cooking her family and her dog. With commas: Rachael Ray finds inspiration in cooking, her family, and her dog.

One comma is all it takes to turn a cooking show host into a cannibal.

These are funny when they show up on the internet. They’re a lot less funny in your book, where a reader paid for the privilege of tripping over them. Lynne Truss built an entire bestseller around this concept. “Eats, Shoots and Leaves” shows how punctuation changes meaning, and the title itself is the proof: a panda eats shoots and leaves (plants), but a panda eats, shoots, and leaves (commits a crime and flees).

A missing comma once cost a Maine dairy $5 million. Maine’s overtime law exempted the “canning, processing, preserving, freezing, drying, marketing, storing, packing for shipment or distribution” of perishable foods. Delivery drivers for Oakhurst Dairy sued for overtime, arguing that with no comma after “shipment,” the law exempted packing for distribution and left the drivers who did the distributing covered.

In March 2017, the U.S. Court of Appeals for the First Circuit agreed the law was ambiguous and sided with the drivers. Judge David Barron opened the opinion with “For want of a comma, we have this case.” In February 2018, Oakhurst settled for $5 million, according to NBC News, with 127 more drivers eligible to claim a share.

This case makes the point better than any style guide. If one missing mark in a statute can move $5 million, a missing comma in your book can cost you a reader.

Why does grammar matter for authors?

Every time you publish something, readers judge your grammar whether they realize it or not. A narrative riddled with errors distracts readers from your story. It breaks immersion. Enough errors and they question whether you know what you’re talking about. That translates directly into poor Amazon reviews and lost sales. Grammar gives your writing structure and coherence. It maintains your tone and voice. It ensures readers understand exactly what you meant. Spelling ensures each word holds its intended meaning. Even a small spelling error can change a word entirely, sending readers down the wrong path. Professional writers understand their tools. They know how to use grammar deliberately, including when to break the rules for effect. Dialog, for example, shouldn’t use perfect grammar. If it did, every conversation would sound stilted and boring. Know the rules well enough to break them on purpose.

I get frustrated with writers who treat grammar as somebody else’s job. You spent months on the story, and a reader who trips over “your” where you meant “you’re” on page two may never find out how good the rest of it is.

Grammar Tools Help, But They Don’t Replace Knowledge

Tools like ProWritingAid, Grammarly, and AutoCrit catch common errors and add polish. Use them. Turn on the grammar and spell checkers in your word processor. They’ll flag the obvious mistakes.

Please be aware: The link provided above is an affiliate link. If you choose to purchase the recommended application, I may earn a small commission at no additional cost to you. This helps support my work. Thank you.

But don’t depend on them as a substitute for understanding grammar.

These tools compare your text against a set of rules. They don’t understand your document or grasp context, tone, or creative intent; they look for patterns and flag inconsistencies. Sometimes the “error” they flag is a deliberate choice you made for a reason. AI-powered writing tools have gotten better at identifying issues and suggesting improvements to sentence structure and style. They’re useful aids but no replacement for skill. Your writing will improve when you understand grammar well enough that the tools are a safety net instead of a crutch.

I’d rather see a writer learn why a comma belongs somewhere than lean on software that guesses. (More on my review of Punctuation Plain and Simple) The companies selling these tools are happy to let you believe the subscription replaces the skill, and it doesn’t.

Why do grammar mistakes cost an author credibility?

Anyone who publishes a book gains a measure of respect.

Readers see authors as knowledgeable on their subject or skilled at their craft. Grammar errors erode that respect with every mistake. Too many errors and readers won’t finish your book, let alone recommend it. Be a professional writer. Learn the rules. Use the tools. Get your work edited. With grammar checkers, spell checkers, and professional editors available, there’s no excuse for publishing work full of preventable errors.

Writers who pour a year into a book and then skip the edit to save a few weeks are throwing it away. The readers who find the errors don’t write to tell you. They leave a one-star review and move on, and a book with a few of those at the top has a hard time recovering.

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