diff --git a/README.md b/README.md
index a934c50..15d3c27 100644
--- a/README.md
+++ b/README.md
@@ -2,4 +2,6 @@
 
 Sublime package for the MJML syntax
 
+Forked from [Html-extended](https://github.com/orizens/html-extended)
+
 Provide syntax highlight and snippets for your MJML files!