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They like to say that what you don’t know can’t hurt you. But those people have probably not spent much time on the internet. Because here, sometimes all it takes for your blissfully ignorant bubble to burst is someone willing to call out your mistake.

But what if the mistake isn’t yours? What if the very person doing the correcting is the one whose blissfully ignorant bubble requires bursting? That’s where things really get interesting…

So interesting, in fact, that people have dedicated entire corners of the internet to sharing these spectacular misfires. In this list, we’ve gathered a few particularly humiliating examples, all of which were shared in the People Incorrectly Correcting Other People group on Facebook.

They’re a reminder that when it comes to the internet—and especially when it comes to correcting others—it pays to be certain you’ve got your facts straight. Or, as the saying goes, you better check yourself before you wreck yourself.

#1

A social media post with a photo of a woman in the ocean with algae on her face, and know-it-alls in comments.

Joanna 'Puma' Raymond Report

Multa Nocte (she/her/8647)
Community Member
Premium
15 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

Think you're funny? Well just phyc off! (Let's see if this makes it past the censors.)

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It seems a lot of people get an unhealthy amount of joy out of correcting other people online. So much so that journalist Sarah Todd calls it “one of the many unexpected side effects of the internet,” one that reveals “just how many people lose the capacity for emotional self-regulation when confronted with a misused semicolon.”

Psychotherapist Stacey Alvarez, LMFT, takes this even further, calling correcting others online “a defining feature of digital interaction.”

What both Alvarez and Todd point to is the peculiar culture of correction online, where calling out other people’s mistakes can feel almost irresistible—and can look very different from the way we might handle the same slip-up IRL.

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    #3

    A social media screenshot shows a know-it-all correcting the age of America in a birthday post.

    Carrie Scott Glasgow Report

    Multa Nocte (she/her/8647)
    Community Member
    Premium
    15 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This is why BP is my only "social media" site and no one knows my real name. I can just imagine not using the old cranial capacitor on a bad day and I would be an international meme on stupidity for the rest of my life, complete with my name and photo beside it.

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    Todd uses an endearing example from The Princess Diaries (2001) to illustrate her point: the scene where Mia takes a giant bite of a frozen palate cleanser at a fancy dinner and immediately regrets it. Rather than let her suffer alone, her two dinner companions dive in too, wincing through their own mouthfuls of “frozen green stuff,” as Todd puts it.

    “They know the young princess has made a mistake, but rather than make her feel ashamed, their instinct is to make her feel less alone,” Todd explains. “In this way, they are the exact opposite of people who make other people feel bad about their grammar and punctuation on the internet.”

    Granted, this is a scene from a movie—and a gloriously unrealistic one at that. But I’d like to believe it reflects something we’re at least more inclined to do when we’re face-to-face with someone rather than faced with a screen: consider their embarrassment before calling attention to their mistake. Sometimes that means swallowing our pride and letting a harmless error slide; other times, it means pointing it out quietly and respectfully rather than turning it into a spectacle.

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    #5

    A screenshot of a social media post with a know-it-all comment correcting grocery bill math.

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    Rick Murray
    Community Member
    14 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    And that, ladies and gentlemen, is why people keep voting for incompetence.

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    But that courtesy tends to evaporate the moment social media platforms, comment sections, and forums enter the picture.

    Online, Alvarez says, correction stops being a private matter. “What might once have been a private clarification is now a public performance,” she explains, “and correction has shifted from an occasional act into a cultural reflex.”

    She explains that this is partly because of how we’ve come to think about correction itself. Because we live in an age shaped by misinformation, disinformation, and rapidly circulating half-truths, “calling things out” has taken on a new kind of moral weight. To correct someone is framed as an act of care. To stay silent, by contrast, starts to look like enabling harm.

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    #6

    A social media screenshot shows a know-it-all providing a dictionary link to correct someone about the term Briton.

    Fitz Eorðcyn Report

    Multa Nocte (she/her/8647)
    Community Member
    Premium
    15 hours ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    See? This is good - I learned something. I have always called people from Great Britain "Brits." Also, following a rabbit hole I just learned the following: "Les goddams (sometimes les goddems or les goddons) is an obsolete ethnic slur historically used by the French to refer to the English, based on their frequent expletives. The name originated during the Hundred Years' War (1337–1453) between England and France, when English soldiers achieved notoriety among the French for their frequent use of profanity and in particular the interjection "God d‍a‍m‍n‍"."

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    #8

    A Know-It-All corrects Viola to Voila in a social media comment section, only to be corrected themselves.

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    Pawsome
    Community Member
    12 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Ah reminds me it was suddenly in to use "Muslim" phrases like Wallah or Inshallah (in the name of Allah, if Allah is willing) in Luxembourg. I was wondering why everyone was going "Voila!" for a while until I understood that they were trying to say Wallah. Ironically enough these were the same guys who called me a terrorist and wished horrible things on my family

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    Under that framework, Alvarez says, correction isn’t just tolerated; it becomes virtuous. And the more visible, decisive, and confident the correction, the more virtuous it seems.

    And this framing, she notes, isn’t entirely wrong: misinformation does cause real, lasting damage, and silence, in some cases, really can function as a kind of complicity. A culture that values truth, she argues, also has to make room for correcting falsehoods.

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    But something has shifted in how that correction actually plays out: “The line between protecting accuracy and policing people has blurred,” Alvarez says. Correction, she explains, is no longer always about the information itself. Just as often, it becomes about something else entirely—asserting authority, demonstrating superiority, or regulating how other people speak, think, or show up online.

    #9

    A social media screenshot shows a know-it-all correcting the use of then instead of than in a comment.

    Ryuku Kintaro Report

    Ugh, do I have to?
    Community Member
    15 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My blood pressure just went through the roof. I'm going to stop now, at #4, before I see what other horrors await my eyes..

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    #10

    A Know-It-All corrects a user's spelling of 'caught' in English, providing the proper form.

    Angus Cameron Report

    mel
    Community Member
    14 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It's good that they caut the mistake

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    Similarly, Todd suggests, “maybe the shock and fury expressed by some online commenters over a misspelled word is actually performative. It’s one thing to notice and even feel pained by a typo; it’s another to announce your pain to the world.”

    And perhaps that’s what makes examples like the ones in this list so satisfying. There’s a particular kind of irony in coming in hot to school someone else on a mistake, only to reveal that the real mistake was yours all along. Maybe it’s karma. Maybe it’s the internet’s way of keeping us humble.

    But either way, when the tables turn and the “corrector” becomes the corrected, all that confidence makes the backfire all the more spectacular—the kind of moment that’s simply too good not to screenshot.

    Let us know which of these had you cringing the most!

    #12

    A social media comment by a know-it-all correcting someone about the difference between everyday and every day.

    Miles McFadden Report

    Nadia Lane
    Community Member
    13 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    "Everyday" means commonplace or ordinary, while "every day" means each day.

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    #13

    A social media screenshot with multiple know-it-alls correcting the plural and possessive use of 'Pennie's' vs. 'pennies'.

    GayPeacock6018 Report

    meeeeeeeeeeee
    Community Member
    5 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Penny's car was pink, but she drove it to Pennies to get supplies, for all she had in her car were small coins, that were copper and worth only 1p.

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    #15

    A Facebook comment where a know-it-all user incorrectly claims wet skin prevents sunburn on a playground.

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    Multa Nocte (she/her/8647)
    Community Member
    Premium
    15 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Once I fell for the "If there's fog over the beach you won't get sun burned" foolishness. Second worst sunburn of my life and a good lesson back in the 70s.

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    Never miss a story that brings joy to the world. Follow on Google News

    #17

    A know-it-all on social media incorrectly correcting another user about the phrase how come and dialect.

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    Janissary35680
    Community Member
    Premium
    6 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    "How come you thus estranged?" (Love's Labour's Lost, Act 5 Scene 2).

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    #19

    A social media screenshot shows a comment about fear mongering, followed by a know-it-all incorrectly correcting grammar.

    Harmony Whicker Report

    Nadia Lane
    Community Member
    13 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    If you're talking about the diarrhoea parasite, washing your produce won't get rid of it. Only cooking it can k**l it.

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    #22

    A screenshot of a YouTube comment section showing a know-it-all correcting someone about prison time calculations.

    Deb Pend Report

    LakotaWolf (she/her)
    Community Member
    Premium
    13 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Dang. If a year is 52 months, I'm only 10 years old, not 44 years old. Yay! No need to be an adult any more XD

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    #23

    A social media comment where a know-it-all incorrectly corrects someone else spelling witch to wich.

    Izzy Kerwood Report

    LakotaWolf (she/her)
    Community Member
    Premium
    12 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    TWO uncensored bad words in that person's username! My virgin eyes!!

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    #24

    A social media post with a meme about eating Jesus, followed by a comment debate about Christianity, highlighting online know-it-alls.

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    Reemerger
    Community Member
    11 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    And on the eighth day he facepalmethed hard...

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    #25

    A social media screenshot featuring a know-it-all correcting someone's use of they're vs. their.

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    Robert Millar
    Community Member
    8 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    *Must be top contributor for incorrect corrections.

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    #27

    A Reddit discussion where a know-it-all user corrects someone about the difference between affect and effect.

    Kevin McKenna Report

    LakotaWolf (she/her)
    Community Member
    Premium
    12 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Remember, everyone, things that have an EFFECT on people will indeed AFFECT their lives! XD

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    #28

    A social media screenshot shows multiple know-it-alls correcting each other on the spelling of a word.

    Doug Dennison Report

    GalPalAl
    Community Member
    2 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I would have never guessed what word they were trying to type. Too bad the internet doesn't tell you, huh?

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    #31

    A funny know-it-all example of someone correcting TikTok's grammar, saying It's YOU'RE.

    Kyle JW Report

    Adam
    Community Member
    8 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This is amazing and Ironic given the whole post is about exactly this! The original dude is right here Tiktok and BP are wrong: It's *your* profile - it belongs to you. He would be *your* follower - if he followed you. But its *you're* following - *you are* following that person.

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    #33

    A text conversation with a know-it-all parent debating the safety of a blanket over a child in a car seat.

    Kendell Leigh Ann Jarrell Report

    Rahb in Oz
    Community Member
    3 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Do these people have nothing better to do than argue rubbish? I am starting to think that the Matrix is a good idea to make use of those who cannot think.

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    #34

    A social media post with an image from Dr. Seuss, followed by comments where users correct spelling, highlighting know-it-alls.

    Vicki Renee Gamble Report

    Multa Nocte (she/her/8647)
    Community Member
    Premium
    15 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    He WAS the chief god of childrens' storytelling, however, so maybe . . . . ;-)

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    #36

    A social media screenshot displays a know-it-all correcting someone's math about ages in a photo.

    Amie Gillies Report

    tom (bat/man)
    Community Member
    12 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I should have stopped at number 4 like the other person

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    #37

    A social media screenshot shows multiple know-it-alls correcting each other on whether mites are arachnids.

    Bianca Sumfinrandom Report

    Multa Nocte (she/her/8647)
    Community Member
    Premium
    15 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I did look this up and it said: "Mites are small arachnids (eight-legged arthropods) of two large orders, the Acariformes and the Parasitiformes, which were historically grouped together in the subclass Acari. However, most recent genetic analyses do not recover the two as each other's closest relative within Arachnida, rendering the group invalid as a clade. Most mites are tiny, less than 1 mm (0.04 in) in length, and have a simple, unsegmented body plan. The small size of most species makes them easily overlooked; some species live in water, many live in soil as decomposers, others live on plants, sometimes creating galls, while others are predators or parasites. This last type includes the commercially destructive Varroa parasite of honey bees, as well as scabies mites of humans. Most species are harmless to humans, but a few are associated with allergies or may transmit diseases. The scientific discipline devoted to the study of mites is called acarology." <-- Wiki Diki

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    #38

    A social media screenshot of a know-it-all correcting the phrase 'gone on a birding trip'.

    Kara Boggs Report

    Iamthey
    Community Member
    14 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I want the fuzzy little feather ball to start singing so I don’t have to listen to this argument

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    #39

    A social media discussion showcasing know-it-alls correcting someone about hydration and medical advice.

    Sabrina Marie Report

    Don't listen to me
    Community Member
    8 hours ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    WIKIPEDIA. Hyponatremia is low sodium (an electrolyte) and usually associated with drinking TOO MUCH water.

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    #41

    A screenshot showing multiple social media comments where people correct each other, showcasing know-it-alls.

    Majken Longlade Report

    LakotaWolf (she/her)
    Community Member
    Premium
    12 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Are we not going to address "old wise tale" because we're all so aghast at "eggcorn", though?! XD

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    #42

    Know-It-Alls on social media correcting each other about Canada's southernmost point and California's border.

    Kaitlin Courrier Report

    LakotaWolf (she/her)
    Community Member
    Premium
    12 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    As a lifelong Californian, I am pretty sure it's Mexico that is a two-hour drive to the south of me, not Oregon XD

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    #44

    A social media comment where a know-it-all incorrectly corrects someone's spelling of sike to psyc.

    Jordan Brassard Report

    BarfyCat
    Community Member
    2 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Every time I see the spelling "sike" I d*e a little inside.

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    #45

    A conversation on social media where a know-it-all attempts to correct the definition of trespass.

    Jenn Frederick Report

    Ace
    Community Member
    Premium
    12 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Hmm. This is more about a change of usage than a right or wrong issue. I've definitely heard "to be trespassed" used this way, and although I dislike it, as a verbification of a noun that's already been derived from a verb, it's not a battle I would choose to fight.

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    #49

    A humorous exchange where a know-it-all insists on missing something never experienced.

    Shaun Holzbach Report

    michael reid
    Community Member
    2 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    And god said unto Abraham, 'Cut off the skin on the end of your d***s." Abraham faltered at this unusual request. "Did I stutter?" asked god

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    #51

    A social media thread showcasing multiple know-it-alls correcting spelling, unaware of regional differences.

    Russell Barrett Report

    Multa Nocte (she/her/8647)
    Community Member
    Premium
    15 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I believe that should be "both spellings BE correct." ;-)

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    #53

    A social media conversation where know-it-alls are corrected about the weight of industrial fridges.

    Dalyvis anonimas Report

    LakotaWolf (she/her)
    Community Member
    Premium
    12 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My mom has one of those ludicrously gigantic Sub-Zero refrigerators. According to the Sub-Zero website, it's 620 lbs/281kg. And yes, it WAS an expensive fridge - $14,000 🙃 That's more than I paid for my first car...

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    #57

    A know-it-all moment on social media where users debate the correct way to adjust a freezer's temperature.

    Claire Baxter-Dunlavey Report

    Ace
    Community Member
    Premium
    11 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This is a legit confusion, turning something up generally means making it work more, and that control, like most older ones, is going up for colder; the controls on my fridge/freezer are is marked in degrees, and also digital, as it happens, so if I want it to be colder am I turning it up or down?

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    #59

    A social media conversation where users repeatedly correct each other's grammar and spelling, demonstrating classic know-it-alls.

    Austin Danger Durling Report

    Julie S
    Community Member
    Premium
    7 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I pronounce it meem even though it's spelt meme.

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    #63

    A Know-It-All user correcting McDonald's for a typo in a response about a mango pineapple refresher.

    Pink Girly💕 Report

    LakotaWolf (she/her)
    Community Member
    Premium
    12 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    To be fair, I haven't seen someone/a service actually use the term "PM"/"private message" since the AOL days. Usually they're called "direct messages" on sites now, but I imagine the phrase "private message" is still usable XD

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    #64

    A social media post about Twilight lore, where a know-it-all corrects a user about a fictional saint.

    Sarah Ratliff Report

    LakotaWolf (she/her)
    Community Member
    Premium
    12 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I've never read any of the Twilight books or seen the movies, but reading the Wikipedia articles, I've found that the character Marcus is one of the leaders of "an ancient Italian vampire coven known as the Volturi". Which is something Meyer made up entirely. So, I'm going to guess that Marcus is not a real person, and thus, not a real saint. It's like OP doesn't realize that more than one person can be named a thing! Just because my ex is named James doesn't mean he's also the dude that was Jesus's disciple in the Bible XD

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    #67

    A social media discussion among know-it-alls correcting the spelling of prompts, highlighting online grammar corrections.

    Hailey Berry Report

    Rusty
    Community Member
    1 hour ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Poor Ai, AI on the other hand …

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    #69

    A know-it-all corrects a timeline for the Alien movie franchise, proving they didn't check facts.

    Ande Rockwood Report

    TroubleMarkOne
    Community Member
    3 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Wasn't Ripley in stasis for those 50 years, so to her, it would feel like six weeks?

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