fix docs

website/content/docs/agent/config/cli-flags.mdx

@@ -423,13 +423,15 @@ information.
 ## Log Options
 
 - `-log-file` ((#\_log_file)) - writes all the Consul agent log messages
-  to a file. This value is used as a prefix for the log file name. The current timestamp
-  is appended to the file name. If the value ends in a path separator, `consul-`
+  to a file, filename defaults to `consul.log`.
+  On rotation, this value is used as a prefix for the log file name.
+  The current timestamp is appended to the file name. If the value ends in a path separator, `consul-`
   will be appended to the value. If the file name is missing an extension, `.log`
   is appended. For example, setting `log-file` to `/var/log/` would result in a log
-  file path of `/var/log/consul-{timestamp}.log`. `log-file` can be combined with
+  file path of `/var/log/consul.log`. `log-file` can be combined with
   [`-log-rotate-bytes`](#_log_rotate_bytes) and [-log-rotate-duration](#_log_rotate_duration)
-  for a fine-grained log rotation experience.
+  for a fine-grained log rotation experience. After rotation file name will be like
+  `/var/log/consul-{timestamp}.log`
 
 - `-log-rotate-bytes` ((#\_log_rotate_bytes)) - to specify the number of
   bytes that should be written to a log before it needs to be rotated. Unless specified,