diff --git a/README.md b/README.md
index dfa9b9c..4540312 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@ An open source, modern and powerful wiki app built on Node.js, Git and Markdown
 
 **Wiki.js is still under development, all features not already implemented.**
 
+**Wiki.js** require a dedicated **root domain**, eg. wikijs.domain.tld
+
 **Shipped version:** 2.0.0-beta.84
 
 ## Screenshots