Fix bad markdown in sample event
Fix bad markdown in sample event


Former-commit-id: 494231215eb27856d9682d4b7fe50ef928bb4fae
joelaha/devopsdays-web,benjohnson77/devopsdays-web,masteinhauser/devopsdays-web,masteinhauser/devopsdays-web,benjohnson77/devopsdays-web,joelaha/devopsdays-web,masteinhauser/devopsdays-web,benjohnson77/devopsdays-web,joelaha/devopsdays-web,benjohnson77/devopsdays-web,joelaha/devopsdays-web,masteinhauser/devopsdays-web