message: docs: fix table in comparing observables guide
  PR Close
diff: @@ -89,11 +89,14 @@ promise.then(() => {
  The following code snippets illustrate how the same kind of operation is defined using observables and promises.
  <table>
  + <thead>
  <tr>
  <th>Operation</th>
  <th>Observable</th>
  <th>Promise</th>
  </tr>
  + </thead>
  + <tbody>
  <tr>
  <td>Creation</td>
  <td>
  @@ -130,6 +133,7 @@ The following code snippets illustrate how the same kind of operation is defined
  <td><pre>sub.unsubscribe();</pre></td>
  <td>Implied by promise resolution.</td>
  </tr>
  + </tbody>
  </table>
  ## Observables compared to events API
  