docs(model): fix typo

lib/model.js

@@ -2784,7 +2784,7 @@ Model.findByIdAndDelete = function(id, options, callback) {
  * @param {Object} filter Replace the first document that matches this filter
  * @param {Object} [replacement] Replace with this document
  * @param {Object} [options] optional see [`Query.prototype.setOptions()`](http://mongoosejs.com/docs/api.html#query_Query-setOptions)
- * @param {Boolean} [options.new=false] By default, `findOneAndUpdate()` returns the document as it was **before** `update` was applied. If you set `new: true`, `findOneAndUpdate()` will instead give you the object after `update` was applied.
+ * @param {Boolean} [options.new=false] By default, `findOneAndReplace()` returns the document as it was **before** `update` was applied. If you set `new: true`, `findOneAndReplace()` will instead give you the object after `update` was applied.
  * @param {Object} [options.lean] if truthy, mongoose will return the document as a plain JavaScript object rather than a mongoose document. See [`Query.lean()`](/docs/api.html#query_Query-lean) and [the Mongoose lean tutorial](/docs/tutorials/lean.html).
  * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
  * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](http://mongoosejs.com/docs/guide.html#strict)