Description

https://docs.mongodb.com/manual/reference/program/mongorestore/ has a description of mongoimport not mongorestore. 

As per asya's pull request: https://github.com/mongodb/docs/pull/4291/files, the text should be something like:

> The :binary:`~bin.mongorestore` loads data from a binary database dump
created by :binary:`~bin.mongodump` into a mongod or mongos instance.

Scope of changes

Impact to Other Docs

MVP (Work and Date)

Resources (Scope or Design Docs, Invision, etc.)