diff --git a/times.proto b/times.proto
index 11842c4..9f5e86b 100644
--- a/times.proto
+++ b/times.proto
@@ -68,6 +68,12 @@ message ListRequest {
   TimeFilter Filter = 1;
   bool Blacklisted = 2;
   Pagination Page = 3;
+  /*
+    0 - time ASC
+    1 - time DSC
+    2 - date ASC
+    3 - date DSC
+  */
   uint32 Sort = 4;
 }