Fix bad markdown in Chicago code of conduct
Fix bad markdown in Chicago code of conduct


Former-commit-id: 90ec45ecff327c4895c89414714fe939e97eac0f
masteinhauser/devopsdays-web,benjohnson77/devopsdays-web,benjohnson77/devopsdays-web,masteinhauser/devopsdays-web,joelaha/devopsdays-web,masteinhauser/devopsdays-web,joelaha/devopsdays-web,benjohnson77/devopsdays-web,masteinhauser/devopsdays-web,benjohnson77/devopsdays-web,joelaha/devopsdays-web,joelaha/devopsdays-web