How to override html file in magento 2.1
<p>I need to customize Magento_Checkout module.</p>

<p>I have tried to copied that html files into my theme path but the override is not working</p>

<p>Override path mentioned in below</p>

<pre><code>/app/design/frontend/Vendor/ThemeName/Magento_Checkout/web/template
</code></pre>

<p>But the file is taken from</p>

<pre><code>/vendor/magento/module-checkout/view/frontend/web/template
</code></pre>

<p>How to override this template html files? </p>