Did you know that YouTube has built in support for closed captioning of video? Closed captioning (cc) provides a text overlay of spoken words. While the feature is not perfect, YouTuber David Kervella describes how to easily fix any errors. (watch the whole video if you are new to posting to YouTube).
Using YouTube's built-in closed captioning

Using YouTube's built-in closed captioning

Speaking clearly in an instructional video will preclude having to make many captioning edits.
 
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