diff --git a/src/docs/asciidoc/index.adoc b/src/docs/asciidoc/index.adoc
index 14fe1f268400..ba0f4c3e8793 100644
--- a/src/docs/asciidoc/index.adoc
+++ b/src/docs/asciidoc/index.adoc
@@ -1,4 +1,5 @@
 = Spring Framework Documentation
+:doc-root: https://docs.spring.io
 
 [horizontal]
 <<overview.adoc#overview, Overview>> :: history, design philosophy, feedback,