diff --git a/knowledge base/cloud computing/README.placeholder b/knowledge base/cloud computing/README.placeholder
index a55300e..e6a4f97 100644
--- a/knowledge base/cloud computing/README.placeholder	
+++ b/knowledge base/cloud computing/README.placeholder	
@@ -1 +1,2 @@
 https://azure.microsoft.com/en-us/resources/cloud-computing-dictionary/what-is-cloud-computing
+https://cnoe.io/
diff --git a/knowledge base/cloud computing/radius.placeholder b/knowledge base/cloud computing/radius.placeholder
index 8a54e4b..a489c97 100644
--- a/knowledge base/cloud computing/radius.placeholder	
+++ b/knowledge base/cloud computing/radius.placeholder	
@@ -1,2 +1,3 @@
 https://azure.microsoft.com/en-us/blog/the-microsoft-azure-incubations-team-launches-radius-a-new-open-application-platform-for-the-cloud/
 https://radapp.io/
+https://www.youtube.com/watch?v=gaG77PiYv5w
diff --git a/knowledge base/kubernetes/README.md b/knowledge base/kubernetes/README.md
index 6c7195f..fb77d17 100644
--- a/knowledge base/kubernetes/README.md	
+++ b/knowledge base/kubernetes/README.md	
@@ -649,7 +649,7 @@ All the references in the [further readings] section, plus the following:
 [pods]: #pods
 
 <!-- Knowledge base -->
-[azure kubernetes service]: ../azure/aks.md
+[azure kubernetes service]: ../cloud%20computing/azure/aks.md
 [cert-manager]: cert-manager.md
 [connection tracking]: ../connection%20tracking.placeholder
 [create an admission webhook]: ../../examples/kubernetes/create%20an%20admission%20webhook/README.md