diff --git a/.DS_Store b/.DS_Store
index cc37a68..7f27ba3 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/hugo.yaml b/hugo.yaml
index 63eceb7..62c1d66 100644
--- a/hugo.yaml
+++ b/hugo.yaml
@@ -1,4 +1,4 @@
-baseURL: http://example.org/
+baseURL: https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/
 languageCode: de-DE
 title: Einführung in Swift und SwiftUI
 
diff --git a/public/categories/index.xml b/public/categories/index.xml
index 57a0721..3ee1f2d 100644
--- a/public/categories/index.xml
+++ b/public/categories/index.xml
@@ -2,9 +2,9 @@
 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
   <channel>
     <title>Categories on Einführung in Swift und SwiftUI</title>
-    <link>http://example.org/categories/</link>
+    <link>https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/categories/</link>
     <description>Recent content in Categories on Einführung in Swift und SwiftUI</description>
     <generator>Hugo -- gohugo.io</generator>
-    <language>de-DE</language><atom:link href="http://example.org/categories/index.xml" rel="self" type="application/rss+xml" />
+    <language>de-DE</language><atom:link href="https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/categories/index.xml" rel="self" type="application/rss+xml" />
   </channel>
 </rss>
diff --git a/public/index.xml b/public/index.xml
index ba56f1d..5e97f73 100644
--- a/public/index.xml
+++ b/public/index.xml
@@ -2,17 +2,17 @@
 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
   <channel>
     <title>Home on Einführung in Swift und SwiftUI</title>
-    <link>http://example.org/</link>
+    <link>https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/</link>
     <description>Recent content in Home on Einführung in Swift und SwiftUI</description>
     <generator>Hugo -- gohugo.io</generator>
     <language>de-DE</language>
-    <lastBuildDate>Sat, 22 Jul 2023 18:33:41 +0200</lastBuildDate><atom:link href="http://example.org/index.xml" rel="self" type="application/rss+xml" />
+    <lastBuildDate>Sat, 22 Jul 2023 18:33:41 +0200</lastBuildDate><atom:link href="https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/index.xml" rel="self" type="application/rss+xml" />
     <item>
       <title>Contact</title>
-      <link>http://example.org/contact/</link>
+      <link>https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/contact/</link>
       <pubDate>Sat, 22 Jul 2023 20:49:19 +0200</pubDate>
       
-      <guid>http://example.org/contact/</guid>
+      <guid>https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/contact/</guid>
       <description>Kontakt Daten Volker wohnt in &amp;hellip;</description>
     </item>
     
diff --git a/public/sitemap.xml b/public/sitemap.xml
index 3466dfc..ec4dd2a 100644
--- a/public/sitemap.xml
+++ b/public/sitemap.xml
@@ -2,14 +2,14 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
   xmlns:xhtml="http://www.w3.org/1999/xhtml">
   <url>
-    <loc>http://example.org/contact/</loc>
+    <loc>https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/contact/</loc>
     <lastmod>2023-07-22T20:49:19+02:00</lastmod>
   </url><url>
-    <loc>http://example.org/</loc>
+    <loc>https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/</loc>
     <lastmod>2023-07-22T18:33:41+02:00</lastmod>
   </url><url>
-    <loc>http://example.org/categories/</loc>
+    <loc>https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/categories/</loc>
   </url><url>
-    <loc>http://example.org/tags/</loc>
+    <loc>https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/tags/</loc>
   </url>
 </urlset>
diff --git a/public/tags/index.xml b/public/tags/index.xml
index 7437e5e..3de84e7 100644
--- a/public/tags/index.xml
+++ b/public/tags/index.xml
@@ -2,9 +2,9 @@
 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
   <channel>
     <title>Tags on Einführung in Swift und SwiftUI</title>
-    <link>http://example.org/tags/</link>
+    <link>https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/tags/</link>
     <description>Recent content in Tags on Einführung in Swift und SwiftUI</description>
     <generator>Hugo -- gohugo.io</generator>
-    <language>de-DE</language><atom:link href="http://example.org/tags/index.xml" rel="self" type="application/rss+xml" />
+    <language>de-DE</language><atom:link href="https://gruendau.github.io/einfuehrung-in-swift-und-swiftui/tags/index.xml" rel="self" type="application/rss+xml" />
   </channel>
 </rss>