Update www address in Readme.md

Change-Id: I6066038d0b83c03a5bba4bcdc02a603b5f6888b6
diff --git a/Readme.md b/Readme.md
index 293042f..b252a08 100644
--- a/Readme.md
+++ b/Readme.md
@@ -102,7 +102,7 @@
 
 **Author**:
 
-* [Marc Kupietz](https://www1.ids-mannheim.de/digspra/personal/kupietz.html)
+* [Marc Kupietz](https://www.ids-mannheim.de/digspra/personal/kupietz.html)
 
 Copyright (c) 2021, [Leibniz Institute for the German Language](http://www.ids-mannheim.de/), Mannheim, Germany