diff --git a/trunk/conf/full.conf b/trunk/conf/full.conf
index 57926726c..66a8c770c 100644
--- a/trunk/conf/full.conf
+++ b/trunk/conf/full.conf
@@ -1084,9 +1084,8 @@ vhost hls.srs.com {
         # whether cleanup the old expired ts files.
         # default: on
         hls_cleanup     on;
-        # the timeout in seconds to dispose the hls,
-        # dispose is to remove all hls files, m3u8 and ts files.
-        # when publisher timeout dispose hls.
+        # If there is no incoming packets, dispose HLS in this timeout in seconds,
+        # which removes all HLS files including m3u8 and ts files.
         # @remark 0 to disable dispose for publisher.
         # @remark apply for publisher timeout only, while "etc/init.d/srs stop" always dispose hls.
         # default: 0