How to fix a Mongo typo

Rather than update using a $set command I was able to go a different route. I overwrote the entire json entry. This wasn't ideal but it did the trick.

db.mer22.update({_id:12345},{yDescription:"Candy",yColor:"red",ySize:"103"})

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To me, it looks like the original problem might have been the quotes around yDescription.

If I don't have the quotes around yDescription then the error I get is "SyntaxError: Unexpected token {"

db.mer22.update({_id:12345},{$set{yDescription:"Candy"}})

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Since you have a solution, please accept your comment
https://www.experts-exchange.com/questions/28732722/How-to-fix-a-Mongo-typo.html?anchorAnswerId=41014962#a41014962

My solution is more of a workaround than an actual solution. It's not even a technically correct solution. Instead of updating a single value, I overwrote all of the values. I'd still like to learn how to update just a single value.

Thank you, that did the trick! I was missing a colon after the set.