a few fixes

README.md

@@ -9,12 +9,21 @@ Sorry, (this part of) domain $domain is not reachable by IPv4. Please upgrade to
 
 Written for Deno.
 
+## Enable for your site
+
+Simply add the A record `82.153.138.10` to your domain besides your existing AAAA record to use the version hosted by us.
+
+If you want to host it yourself, run: 
+`docker run -d --name no-ipv4-here -e SERVICE_DOMAIN=no-ipv4-here.YOUR-DOMAIN.com -p 8080:8080 --restart unless-stopped git.kyun.li/gunter/no-ipv4-here:latest`
+
+or read on.
+
 ## Configuration
 
 The application uses the following environment variables:
 
 - `SERVICE_DOMAIN`: The domain where this service is hosted (default: "localhost")
-  - Example: `SERVICE_DOMAIN=my-ipv6-service.example.com`
+  - Example: `SERVICE_DOMAIN=no-ipv4-here.example.com`
 
 When making requests to this service, the domain you provide in the `back_to` parameter will be compared against this value to determine if it should be treated as an external domain.
 
@@ -23,8 +32,8 @@ When making requests to this service, the domain you provide in the `back_to` pa
 1. Install Deno: https://deno.land/manual/getting_started/installation
 2. Clone this repository:
    ```bash
-   git clone https://git.kyun.li/gunter/ungleich-no-ipv4-here
-   cd ungleich-no-ipv4-here
+   git clone https://git.kyun.li/gunter/deno-no-ipv4-here
+   cd deno-no-ipv4-here
    ```
 3. Start the service:
    ```bash