diff --git a/README.rdoc b/README.rdoc
index 8a03605..8aa9ccb 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -14,6 +14,7 @@ invoicing.
 * Administration of invoices
 * Invoice generation in PDF/LaTeX format
   * can include a time specification if required by the customer
+* Fully responsive (can be used om smartphone, tablet and desktop)
 
 == Requirements