diff --git a/_includes/open_source_navbar.html b/_includes/open_source_navbar.html
index a8e0790c71c..1e83deee2a1 100644
--- a/_includes/open_source_navbar.html
+++ b/_includes/open_source_navbar.html
@@ -111,6 +111,7 @@
 								<span class="glyphicon glyphicon-menu-right sub-arrow" aria-hidden="true"></span>
 								<ul class="dropdown-menu sub-menu">
 									<li><a href="https://www.tigera.io/learn/guides/container-security/">Container Security</a></li>
+									<li><a href="https://www.tigera.io/learn/guides/cloud-security/">Cloud Security</a></li>
 									<li><a href="https://www.tigera.io/learn/guides/kubernetes-security/">Kubernetes Security</a></li>
 									<li><a href="https://www.tigera.io/learn/guides/devsecops/">DevSecOps</a></li>
 									<li><a href="https://www.tigera.io/learn/guides/zero-trust/">Zero Trust</a></li>
diff --git a/about/about-calico.md b/about/about-calico.md
index cd9eacbc6e5..c4b86db5cce 100644
--- a/about/about-calico.md
+++ b/about/about-calico.md
@@ -7,17 +7,17 @@ custom_css: css/intro.css
 ---
 
 <div id="ebook-banner" class="row">
-  <div class="ebook-banner-image col-md-3 col-xs-3">
+  <div class="ebook-banner-image col-md-2 col-xs-2">
     <img src="{{ site.baseurl }}/images/oreilly-book-mockup.png">
   </div>
-  <div class="ebook-banner-info col-md-9 col-xs-9">
+  <div class="ebook-banner-info col-md-10 col-xs-10">
     <div class="ebook-banner-info__header">
       <h3>O'REILLY</h3><span>&reg;</span> ebook:
     </div>
     <div class="ebook-banner-info__text" style="text-align: center">
       <h3>Kubernetes security and observability</h3>
       <p>A holistic approach to securing containers and cloud-native applications</p>
-      <a href="https://www.tigera.io/lp/kubernetes-security-and-observability-ebook/">Download Now</a>
+      <a href="https://link.tigera.io/ud139">Download Now</a>
     </div>
   </div>
 </div>