Description

https://docs.mongodb.com/manual/release-notes/4.0-upgrade-replica-set/index.html#upgrade-version-path
shows:
For example, if you are running a 3.4-series, you must upgrade first to upgrade first to 3.6 before you can upgrade to 4.0.
It might want to be:
For example, if you are running a 3.4-series, you must upgrade first to 3.6 before you can upgrade to 4.0.

Scope of changes

Impact to Other Docs

MVP (Work and Date)

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