Update timestamps.md

Author: vkarpov15

docs/timestamps.md

@@ -199,7 +199,7 @@ Mongoose: users.findOneAndUpdate({}, { '$setOnInsert': { createdAt: new Date("Su
 
 Notice the `$setOnInsert` for `createdAt` and `$set` for `updatedAt`.
 MongoDB's [`$setOnInsert` operator](https://www.mongodb.com/docs/manual/reference/operator/update/setOnInsert/) applies the update only if a new document is [upserted](https://masteringjs.io/tutorials/mongoose/upsert).
-So, for example, if you want to *only* set `updatedAt` of the document if a new document is created, you can disable the `updatedAt` timestamp and set it yourself as shown below:
+So, for example, if you want to *only* set `updatedAt` if a new document is created, you can disable the `updatedAt` timestamp and set it yourself as shown below:
 
 ```javascript
 await User.findOneAndUpdate({}, { $setOnInsert: { updatedAt: new Date() } }, {