diff --git a/README.adoc b/README.adoc
index 3c70c58..c7d62f3 100644
--- a/README.adoc
+++ b/README.adoc
@@ -192,7 +192,7 @@ as an init.d Service (System V)].
 == Routes
 
 All routes are secured by basic-auth. A detailed description of the
-routes can be found at the https://htmlpreview.github.io/?https://raw.githubusercontent.com/th-schwarz/DynDRest/feature-24_rest-api/docs/openapi/index.html[OAS3 documentation].
+routes can be found at the https://redocly.github.io/redoc/?url=https://raw.githubusercontent.com/th-schwarz/DynDRest/feature-24_rest-api/docs/openapi/openapi.yaml&nocors#tag/api-controller/operation/updateHost[OAS3 documentation].
 
 There are additional routes: