@ -126,7 +126,7 @@ Watch us on YouTube: link:$$https://youtube.com/oreillymedia$$[].
=== Contacting the Authors
++++
<p class="align">
<p class="left-align">
You can contact Andreas M. Antonopoulos on his personal site:
<span class="keep-together"><a href="https://antonopoulos.com">https://antonopoulos.com</a>.</span></p>