Problem statement

When running the following command: swagger generate markdown -f swagger.json --output swagger.mode
I get the following error: Unknown command 'markdown'. Please specify one command of: client, model, operation, server, spec or support

Swagger specification

any spec works to reproduce this error

Steps to reproduce

Attempt to generate markdown by running the following command: swagger generate markdown -f swagger.json --output swagger.mode

Environment

swagger version: v0.26.1
go version: v1.15.6
OS: Catalina 10.15.5