fix: remove commas from json

docs/getting-started/installation.mdx

@@ -55,9 +55,9 @@ handle enterprise work loads.
 ### A scalable framework
 
 Athenna is incredibly scalable. Thanks to the scaling-friendly nature of 
-Node.js and Athenna's built-in support for fast, distributed cache systems 
-like Redis, horizontal scaling with Athenna is a breeze. In fact, Athenna applications 
-have been easily scaled to handle hundreds of millions of requests per month.
+Node.js and great libraries like [`fastify`](https://fastify.dev/), horizontal 
+scaling with Athenna is a breeze. In fact, Athenna applications have been 
+easily scaled to handle hundreds of millions of requests per month.
 
 ### An agnostic framework