[ttml2] Fix typos.

skynavga has just created a new issue for https://github.com/w3c/ttml2:

== Fix typos. ==
In E.2, ``#transformation-version-2`` should be marked for version 2, not 1.

Please view or discuss this issue at https://github.com/w3c/ttml2/issues/678 using your GitHub account

Received on Saturday, 24 February 2018 22:57:14 UTC