AS TYPOS go, it’s a man sized mistake. But blink and you might even miss it.

On Thursday, the Washington Post Express decided to devote its entire front cover to a story about a women’s rights march taking place the day after Donald Trump’s inauguration as US president.

Major design fail by Washington Post Express... sets a high bar for all design fails to come. https://t.co/Bh6Yr0STt0 — Writtenright (@writtEnright_VI) January 5, 2017

pathetically hilarious ⚡️ “Today's Washington Post Express cover has a really big mistake”https://t.co/QSLZvbBsXO — Natalie Vansier (@Nat_Vansier) January 5, 2017

Yet at first glance, it’s possible to miss the mistake entirely. On the cover all the text is correct, there are no spelling mistakes and the grammar is spot on. But the stuff up is much bigger than that.

The daily lift out from respected US newspaper the Washington Post chose to illustrate the story with a huge female symbol made up of women coming together in a group.

Except they didn’t use the female symbol, they used the male symbol by mistake. On a story about women’s rights.

Social media was quick to alert the Express to its gender error.

Shout out to The Washington Post Express who accidentally put the MALE symbol for the WOMAN'S march on their cover today pic.twitter.com/xGS0XE8RTd — Kimberly Betsill (@kimmybetsill) January 5, 2017

Huge proof that graphic designers need to proofread their work as well! That's the biggest typo ever, @washingtonpost pic.twitter.com/4UF1Xj8wo9 — Karie Kirkpatrick (@kariek) January 5, 2017

“Is this some kind of record for the largest typo?” said one commentator.

“How does this happen?” asked someone. “Pathetically hilarious,” was another comment.

It didn’t take long for the paper to own up to the massive boo-boo.

“We made a big mistake on our cover illustration this morning and we’re very embarrassed about it,” a statement read.

“We erroneously used a male symbol instead of a female symbol. We apologise for the mistake.”

They then showed how the front page image was supposed to look with the female symbol taking pride of place.

Budding graphic designers, there might be a job opportunity going in Washington DC right about now.

A source tells me this was the runner-up photo for today's Washington Post Express. pic.twitter.com/6G0xBH8DGZ — Matt Gurney (@mattgurney) January 5, 2017