Fix an agreement typo in the previous commit.
diff --git a/doc/draft-terriberry-oggopus.xml b/doc/draft-terriberry-oggopus.xml
index 0e17ea3..5a4af6e 100644
--- a/doc/draft-terriberry-oggopus.xml
+++ b/doc/draft-terriberry-oggopus.xml
@@ -814,7 +814,7 @@
This tag is intended to identify the codec encoder and encapsulation
implementations, for tracing differences in technical behavior.
The user-facing encoding application can use the 'ENCODER' user commment tag
- name to identify themselves.
+ name to identify itself.
<vspace blankLines="1"/>
</t>
<t><spanx style="strong">User Comment List Length</spanx> (32 bits, unsigned,