diff --git a/doc/draft-terriberry-oggopus.xml b/doc/draft-terriberry-oggopus.xml
index 224a17bae81d01129d745cf108245f49a6869c59..a5d3c09a7bc968e8ae1857f8963d3673f4f5b15b 100644
--- a/doc/draft-terriberry-oggopus.xml
+++ b/doc/draft-terriberry-oggopus.xml
@@ -604,8 +604,8 @@ An Ogg Opus stream allows mapping one number of Opus streams (N) to a possibly
  larger number of decoded channels (M+N) to yet another number of output
  channels (C), which might be larger or smaller than the number of decoded
  channels.
-The order and meaning these channels is defined by a channel mapping, which
- consists of the 'channel mapping family' octet and, for channel mapping
+The order and meaning of these channels are defined by a channel mapping,
+ which consists of the 'channel mapping family' octet and, for channel mapping
  families other than family 0, a channel mapping table, as illustrated in
  <xref target="channel_mapping_table"/>.
 </t>