title: Swagger error - should have only three digit status codes
body: <p>I am building a Swagger documentation for an API in Swagger Editor and I have this error : </p>
  
  <pre><code>should only have three-digit status codes, `default`, and vendor extensions (`x-*`) as properties
  </code></pre>
  
  <p>This is the swagger code: </p>
  
  <pre><code>/stareMesaj:
      post:
        tags:
          - Metode disponibile
        summary: Stare mesaj
        description: Call de upload mesaj. More soon.
        operationId: stareMesaj
        responses:
          '200':
            description: 1.Ultimele 60 zile -  Nu aveti drept de interogare stare pentru
              mesaj/ 2.Mai mult de 60 zile -  Formularul cu id de incarcare= xxx a
              fost depus de mai mult de 60 de zile 3. Id maxim -  Nu aveti drept
              de interogare stare pentru mesaj= max id
            headers:
          X-Rate-Limit:
            description: calls per hour allowed by the user
            schema:
              type: integer
              format: int32
  </code></pre>
  
  <p>The error appears on this line : </p>
  
  <pre><code>responses:
  </code></pre>
  
  <p>Just before '200'</p>
  
  <p>What might be the problem ? The status code is obviously three digit code</p>
  
  <p>Thanks</p>