[ttml2] Pull Request: fix typo as in ttml1/#316

cconcolato has just submitted a new pull request for https://github.com/w3c/ttml2:

== fix typo as in ttml1/#316 ==
Partially addresses #358 


See https://github.com/w3c/ttml2/pull/580

Received on Friday, 19 January 2018 00:00:07 UTC