Tags _really_ correctly text

Author: JJ

doc/Type/IO/Notification.pod6

@@ -47,7 +47,7 @@ of event that has occurred or capturing an error otherwise; the created
 C<Supply> is tapped, and the event printed. It does so for 60 minutes,
 emitting something like this:
 
-=for code :lang<textZ
+=for code :lang<text>
 Got /var/log/syslog: FileChanged
 Got /var/log/syslog: FileChanged
 Got /var/log/syslog: FileChanged