diff --git a/doc/api/embed_parameters.md b/doc/api/embed_parameters.md
index 7f84f064..3100fff9 100644
--- a/doc/api/embed_parameters.md
+++ b/doc/api/embed_parameters.md
@@ -52,3 +52,11 @@ Default: false
  * Boolean
 
 Default: false
+
+## lang
+ * String
+
+Default: en
+
+Example: `lang=ar` (translates the interface into Arabic)
+