Update 40-adapter-node.md (#14183)

Author: eltigerchino

documentation/docs/25-build-and-deploy/40-adapter-node.md

@@ -209,7 +209,7 @@ The parameter `reason` has one of the following values:
 
 ## Socket activation
 
-Most Linux operating systems today use a modern process manager called systemd to start the server and run and manage services. You can configure your server to allocate a socket and start and scale your app on demand. This is called [socket activation](http://0pointer.de/blog/projects/socket-activated-containers.html). In this case, the OS will pass two environment variables to your app — `LISTEN_PID` and `LISTEN_FDS`. The adapter will then listen on file descriptor 3 which refers to a systemd socket unit that you will have to create.
+Most Linux operating systems today use a modern process manager called systemd to start the server and run and manage services. You can configure your server to allocate a socket and start and scale your app on demand. This is called [socket activation](https://0pointer.de/blog/projects/socket-activated-containers.html). In this case, the OS will pass two environment variables to your app — `LISTEN_PID` and `LISTEN_FDS`. The adapter will then listen on file descriptor 3 which refers to a systemd socket unit that you will have to create.
 
 > [!NOTE] You can still use [`envPrefix`](#Options-envPrefix) with systemd socket activation. `LISTEN_PID` and `LISTEN_FDS` are always read without a prefix.