diff --git a/public/doc/advanced/i18n.md b/public/doc/advanced/i18n.md
index 5c1dd37c..e735264a 100644
--- a/public/doc/advanced/i18n.md
+++ b/public/doc/advanced/i18n.md
@@ -31,6 +31,7 @@ Before the sdk script, add locale specific script: `https://cusdis.com/js/widget
 - oc
 - fr
 - id
+- ca
 
 ## Contributing more languages