Document since parameter for listing gists

pengwynn · pengwynn · commit c9a5146dd30d · 2012-11-15T16:50:01.000-06:00
diff --git a/content/v3/gists.md b/content/v3/gists.md
@@ -34,6 +34,12 @@ List the authenticated user's starred gists:
 
     GET /gists/starred
 
+### Parameters
+
+since
+: _Optional_ **string** of a timestamp in ISO 8601 format: YYYY-MM-DDTHH:MM:SSZ
+Only gists updated at or after this time are returned.
+
 ### Response
 
 <%= headers 200, :pagination => true %>
