diff --git a/Calendar.md b/Calendar.md
index 542cdcf..e66b44d 100644
--- a/Calendar.md
+++ b/Calendar.md
@@ -14,6 +14,8 @@ Optional:
 `start (date)`
 `end (date)`
 
+`includeArtist` - `true` or `false` - Default: false
+
 ##### Example #####
 
 To get a list of all items appearing on the Lidarr calendar between July 26, 2017 and July 27, 2017, you could call: