HTML broken on try

[krassowski]

Description should remove html tags:

<meta itemprop="description" name="description" content="You can try Jupyter out right now, without installing anything. Select an example below and you will get a temporary Jupyter server just for you, running on <a href="https://mybinder.org">mybinder.org</a>. If you like it, you can <a href="https://jupyter.org/install.html">install Jupyter</a> yourself." />
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