<p>Small typo</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>&nbsp;&nbsp;<a href='https://github.com/mlpack/mlpack/pull/407'>https://github.com/mlpack/mlpack/pull/407</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>Update TREE_EXPLANATION.txt</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/mlpack/mlpack/pull/407/files#diff-0">src/mlpack/core/tree/TREE_EXPLANATION.txt</a>
    (2)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/mlpack/mlpack/pull/407.patch'>https://github.com/mlpack/mlpack/pull/407.patch</a></li>
  <li><a href='https://github.com/mlpack/mlpack/pull/407.diff'>https://github.com/mlpack/mlpack/pull/407.diff</a></li>
</ul>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">&mdash;<br>Reply to this email directly or <a href="https://github.com/mlpack/mlpack/pull/407">view it on GitHub</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AJ4bFOKfL7i0o7sU1N51CS6D_2a87ObPks5nt6nhgaJpZM4DjkM0.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
  <div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
    <link itemprop="url" href="https://github.com/mlpack/mlpack/pull/407"></link>
    <meta itemprop="name" content="View Pull Request"></meta>
  </div>
  <meta itemprop="description" content="View this Pull Request on GitHub"></meta>
</div>