diff --git a/README.md b/README.md
index 5af4046..0616694 100755
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # docker-ownDynDNS-netcup
 
-[![Worklfow](https://code.offene.cloud/homelab/docker-ownDynDNS-netcup/badges/workflows/build_main.yaml/badge.svg)](https://code.offene.cloud/homelab/docker-ownDynDNS-netcup) [![Release](https://code.offene.cloud/homelab/docker-ownDynDNS-netcup/badges/release.svg)](https://code.offene.cloud/homelab/docker-ownDynDNS-netcup/releases) 
+[![Worklfow](https://git.smail.koeln/homelab/docker-ownDynDNS-netcup/badges/workflows/build_main.yaml/badge.svg)](https://git.smail.koeln/homelab/docker-ownDynDNS-netcup) [![Release](https://git.smail.koeln/homelab/docker-ownDynDNS-netcup/badges/release.svg)](https://git.smail.koeln/homelab/docker-ownDynDNS-netcup/releases) 
 
 - [docker-ownDynDNS-netcup](#docker-owndyndns-netcup)
   - [acknowledgments](#acknowledgments)
@@ -15,28 +15,22 @@ This container is based on the work of:
 * [Fernwerker ownDynDNS](https://github.com/fernwerker/ownDynDNS)
 
 ## Netcup configuration
-You need to create two dns entries beforehand:
+You need to create your dns entries beforehand:
 
-| Host     | Type  | Destination  | 
+| Host     | Type  | Destination  |
 |----------|-------|--------------|
-| vpn      | AAAA  | IPv6         | 
+| vpn      | AAAA  | IPv6         |
 | vpn      | A     | IPv4         |
-| ddns     | AAAA  | IPv6         | 
-| ddns     | A     | IPv4         |
-
-vpn.example.com -> the domain that gets updated
-
-ddns.example.com -> the domain your Fritz!Box calls for updates
 
 ## Container configuration
-Create compose.yml and config in your app directory i.e.:
+Create docker-compose.yml and config in your app directory i.e.:
 
 ```
 mkdir -p /opt/docker/owndyndns
 cd /opt/docker/owndyndns
 
 # Create docker-compose.yml and copy the contents from repository file
-vi compose.yml
+vi docker-compose.yml
 
 # Create config, copy the contents from repository example.config and change the parameters
 vi config
@@ -49,8 +43,8 @@ docker compose up -d
 * Login to your Fritz!Box
 * Go to /Internet/Freigabe/DynDNS
 * Set mark on "DynDNS benutzen"
-* Enter Update-URL: `https://ddns.example.com/update.php?user=<username>&password=<pass>&ipv4=<ipaddr>&ipv6=<ip6addr>&domain=<domain>`
-    * You only have to change `https://ddns.example.com` (http without valid TLS certificate)
+* Enter Update-URL: `https://<url of your webspace>/update.php?user=<username>&password=<pass>&ipv4=<ipaddr>&ipv6=<ip6addr>&domain=<domain>`
+    * You only have to change `https://<url of your webspace>` (http without valid TLS certificate)
 * Domainname: `vpn.example.com`
 * Username: Defined in config 
 * Password: Defined in config
diff --git a/docker-build/Dockerfile b/docker-build/Dockerfile
index 9076bf8..499a27b 100755
--- a/docker-build/Dockerfile
+++ b/docker-build/Dockerfile
@@ -1,5 +1,5 @@
 # Get latest app version
-FROM alpine:3.22.0
+FROM alpine:3.21.3
 WORKDIR /clone-workspace
 RUN apk update && \
     apk upgrade && \
@@ -7,7 +7,7 @@ RUN apk update && \
     git clone https://github.com/fernwerker/ownDynDNS.git
 
 # Build container to run the app
-FROM php:8.4.8-apache
+FROM php:8.4.5-apache
 WORKDIR /var/www/html
 
 RUN apt-get update && \