- deb http://ftp.de.debian.org/debian/ $SUITE main contrib non-free
- deb-src http://ftp.de.debian.org/debian/ $SUITE main contrib non-free
+# deb http://ftp.debian.org/debian/ sid main contrib non-free
+# deb-src http://ftp.debian.org/debian/ sid main contrib non-free
+
+# official debian DE repository:
+# deb http://ftp.de.debian.org/debian/ sid main contrib non-free
+# deb-src http://ftp.de.debian.org/debian/ sid main contrib non-free
+
+# official debian AT repository:
+# deb http://ftp.at.debian.org/debian/ sid main contrib non-free
+# deb-src http://ftp.at.debian.org/debian/ sid main contrib non-free