diff --git a/71.md b/71.md
index 0a60d61f..1daee7b7 100644
--- a/71.md
+++ b/71.md
@@ -102,7 +102,7 @@ The `.content` of these events is optional and could be a free-form note that ac
 The list of tags are as follows:
 * `a` (required) reference tag to kind `34235` or `34236` video event being viewed
 * `d` (required) same as `a` reference tag value
-* `viewed` (optional, repeated) timestamp of the user's start time in `HH:MM:SS.sss`, timestamp of the user's end time in `HH:MM:SS.sss` 
+* `viewed` (optional, repeated) timestamp of the user's start time in seconds, timestamp of the user's end time in seconds 
 
 
 ```json