diff --git a/website/source/docs/agent/options.html.md b/website/source/docs/agent/options.html.md
index 44529c8aa..e15f59b36 100644
--- a/website/source/docs/agent/options.html.md
+++ b/website/source/docs/agent/options.html.md
@@ -245,7 +245,7 @@ will exit with an error at startup.
 
 * <a name="_log_rotate_bytes"></a><a href="#_log_rotate_bytes">`-log-rotate-bytes`</a> - to specify the number of bytes that should be written to a log before it needs to be rotated. Unless specified, there is no limit to the number of bytes that can be written to a log file.
 
-* <a name="_log_rotate_duration"></a><a href="#_log_rotate_duration">`-log-rotate-duration`</a> - to specify the maximum duration a log should be written to before it needs to be rotated. Unless specified, logs are rotated on a daily basis (24 hrs).
+* <a name="_log_rotate_duration"></a><a href="#_log_rotate_duration">`-log-rotate-duration`</a> - to specify the maximum duration a log should be written to before it needs to be rotated. Must be a duration value such as 30s. Defaults to 24h.
 
 * <a name="_join"></a><a href="#_join">`-join`</a> - Address of another agent
   to join upon starting up. This can be