Edit pass for jsdoc comments - #34

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LGTM - Matt Mazzola (@mattmazzola) any feedback?

No, this seems to just be grammar / spelling changes. If that's the intended purpose for this then it's fine to merge.

I'm more concerned about the larger problem of having redundant information in JSDoc syntax that has to be maintained and would prefer it is removed, but that's probably not what this review is for.