diff --git a/trunk/conf/full.conf b/trunk/conf/full.conf
index c889d2dc3..80aadb53e 100644
--- a/trunk/conf/full.conf
+++ b/trunk/conf/full.conf
@@ -484,7 +484,7 @@ vhost rtc.vhost.srs.com {
     min_latency on;
     play {
         # set the MW(merged-write) latency in ms.
-        # @remark For WebRTC, we enable pass-timestamp mode, so we ignore this config.
+        # @remark For WebRTC, we enable pass-by-timestamp mode, so we ignore this config.
         # default: 0 (For WebRTC)
         mw_latency 0;
         # Set the MW(merged-write) min messages.
@@ -717,7 +717,7 @@ vhost play.srs.com {
         # SRS always set mw on, so we just set the latency value.
         # the latency of stream >= mw_latency + mr_latency
         # the value recomment is [300, 1800]
-        # @remark For WebRTC, we enable pass-timestamp mode, so we ignore this config.
+        # @remark For WebRTC, we enable pass-by-timestamp mode, so we ignore this config.
         # default: 350 (For RTMP/HTTP-FLV)
         # default: 0 (For WebRTC)
         mw_latency      350;