diff --git a/config.yml b/config.yml
index 89d3c65..e186d75 100644
--- a/config.yml
+++ b/config.yml
@@ -82,11 +82,11 @@ params:
     profileMode:
         enabled: true
         title: "Ignorance is bliss..."
-        subtitle: Welcome to Christoph Cullmann's personal web site.
+        subtitle: Welcome to Christoph Cullmann's web site.
         imageUrl: "/images/christoph_avatar.jpg"
         imageTitle: "Christoph Cullmann"
-        imageWidth: 256
-        imageHeight: 256
+        imageWidth: 512
+        imageHeight: 512
         buttons:
             - name: Posts
               url: "/posts"