Fixed validation error

Author: mcasperson

_includes/pe_value.html

@@ -91,7 +91,7 @@ <h2>Quantifying the Business Value</h2>
     value of a platform team.</p>
 
 <p>It is worth acknowledging that quantifying the value of a platform team is not a trivial task. In the podcast "The Journey To Build your Platform Engineering Team"
-(<a href="https://oc.to/a07RuP">https://oc.to/a07RuP</a>, Alejandro Sanchez-Giraldo, Head of Quality Engineering & Observability At DevOps1, noted:</p>
+(<a href="https://oc.to/a07RuP">https://oc.to/a07RuP</a>, Alejandro Sanchez-Giraldo, Head of Quality Engineering &amp; Observability At DevOps1, noted:</p>
 
 <p class="quote">
     I think the funding model is one of the biggest challenges around trying to build the platform engineering teams,