diff --git a/fbchat/client.py b/fbchat/client.py
index 8f341a8..f1d4c57 100644
--- a/fbchat/client.py
+++ b/fbchat/client.py
@@ -1197,7 +1197,7 @@ class Client(object):
         Sets an event reminder
 
         :param thread_id: :ref:`Thread ID <intro_thread_ids>` to send event to
-        :param time: Event time
+        :param time: Event time (unix time stamp)
         :param title: Event title
         :param location: Event location
         :param location_ir: Event location ID