message: Made error message spelling more consistent
diff: @@ -20,7 +20,7 @@ describe('challengeCountryMapping', () => {
  const countryMapping = (await loadYamlFile(path.join(__dirname, '../../config/fbctf.yml'))).ctf.countryMapping
  for (const {key} of challenges) {
  - expect(countryMapping, `Challenge "${key}" does not have a country Mapping.`).to.have.property(key)
  + expect(countryMapping, `Challenge "${key}" does not have a country mapping.`).to.have.property(key)
  }
  })
  })
  