diff --git a/specification/modules/send_to_device.rst b/specification/modules/send_to_device.rst
index 86288546..cca0338a 100644
--- a/specification/modules/send_to_device.rst
+++ b/specification/modules/send_to_device.rst
@@ -108,7 +108,7 @@ to_device ToDevice  Optional. Information on the send-to-device messages
 ========= ========= =============================================
 Parameter Type      Description
 ========= ========= =============================================
-events    [Event]   List of send-to-device messages
+events    [Event]   List of send-to-device messages.
 ========= ========= =============================================
 
 ``Event``