Generator name formatting when running yo when the name contains a -

[tdashworth]

When running yo to discover which generators I have installed, the name of a generator is incorrectly formatted when it contains a -. For example, say I have installed the generator generator-sample-project, when running yo the output is:

> yo
? 'Allo Tom! What would you like to do? (Use arrow keys)
  Run a generator
> sample Project
  ──────────────
  Update your generators
  Install a generator
  Find some help
  Clear global config
(Move up and down to reveal more choices)

Instead of this I would expect either

1. sample-project
2. sample project
3. Sample project
4. Sample Project

But not sample Project.

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I am running version 4.0.0 at Windows 10.