diff --git a/README.md b/README.md
index c30d8b76..62a5de65 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ templates.
 With frontend [**slim-starter**](https://github.com/samuelgfeller/slim-starter) or just for an API:
 [**slim-api-starter**](https://github.com/samuelgfeller/slim-api-starter).
 
-Please read the [**installation guide**](https://samuel-gfeller.ch/docs/Installation-Guide)
+Please read the [**installation guide**](https://samuel-gfeller.ch/docs/Slim-Example-Project-Installation-Guide)
 to get started.
 
 ## Features
diff --git a/config/container.php b/config/container.php
index fb0422b1..3c03b935 100644
--- a/config/container.php
+++ b/config/container.php
@@ -5,6 +5,7 @@
  * Documentation: https://samuel-gfeller.ch/docs/Dependency-Injection.
  */
 
+use App\Application\Data\UserNetworkSessionData;
 use App\Infrastructure\Utility\Settings;
 use Cake\Database\Connection;
 use Monolog\Formatter\LineFormatter;
@@ -187,4 +188,8 @@
 
         return $eventDispatcher;
     },
+    // Add shared UserNetworkSessionData to the container so that the DTO can be populated and used in different places
+    UserNetworkSessionData::class => function () {
+        return new UserNetworkSessionData();
+    }
 ];
diff --git a/src/Application/Middleware/UserNetworkSessionDataMiddleware.php b/src/Application/Middleware/UserNetworkSessionDataMiddleware.php
index 6561d615..0b44db73 100644
--- a/src/Application/Middleware/UserNetworkSessionDataMiddleware.php
+++ b/src/Application/Middleware/UserNetworkSessionDataMiddleware.php
@@ -16,6 +16,9 @@
 final readonly class UserNetworkSessionDataMiddleware implements MiddlewareInterface
 {
     public function __construct(
+        // The UserNetworkSessionData DTO object is registered and created in the container definition
+        // container.php so that this middleware can populate it with data that are also available
+        // by any service that also injects this DTO object.
         private UserNetworkSessionData $clientNetworkData,
         private SessionInterface $session,
     ) {