Update pages/serverless-containers/reference-content/serverless-handbook.mdx

Co-authored-by: Jessica <[email protected]>

Author: thomas-tacquet

pages/serverless-containers/reference-content/serverless-handbook.mdx

@@ -20,7 +20,7 @@ Serverless computing is a cloud computing model where the cloud providers manage
 
 This means that there is no need to provision machines, manage a cluster, or pay for servers. Your application code is executed on demand, and you only pay for the computing time consumed by your software.
 
-This approach enables greater scalability, flexibility and cost-effectiveness.
+This approach enables greater scalability, flexibility, and cost-effectiveness.
 
 Key features:
 * **Automatic scaling:** Your application can scale up or down automatically based on demand