[webvtt] Pull Request: Fix typo in section 4.2.2

gkatsev has just submitted a new pull request for https://github.com/w3c/webvtt:

== Fix typo in section 4.2.2 ==
Fixes #428

See https://github.com/w3c/webvtt/pull/445

Received on Wednesday, 11 July 2018 23:27:58 UTC