diff --git a/Notify_windows.md b/Notify_windows.md
index 149a41f..d87a0d2 100644
--- a/Notify_windows.md
+++ b/Notify_windows.md
@@ -17,7 +17,9 @@ There are currently no options you can specify for this kind of notification, so
 * **windows**://
 
 ### Parameter Breakdown
-There are no parameters at this time.
+| Variable    | Required | Description
+| ----------- | -------- | -----------
+| duration    | No      | Optionally set the duration of the popup message in seconds. By default this value is set to `12`
 
 #### Example
 Assuming we're on a Windows computer, we can send a Windows Notification to ourselves: