diff --git a/README.md b/README.md
index 280e041ee4be340b23debf54376efedbcc375bb4..43490925057e3756e2b9087d22fa0118481c54ad 100644
--- a/README.md
+++ b/README.md
@@ -400,4 +400,4 @@ then `mkdir htmly && chmod 777 htmly && cd htmly && wget https://github.com/danp
 
 Then everything is done. Admin password is `recolic, genpasswd(recolic.net, v4)`
 
-
+> Warning: installer.php not working on my prod environment. Seems like URL prefix error. Please download source code zip, and modify `config/*` manually.