docs: copy edits

Jacky Zhao

2022-07-19 d747b19e6104def4b550d86b2ce6ce923773d8ad

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{{if $.Site.Data.config.enableGitHubEdit}}
<a href="{{$.Site.Data.config.GitHubLink}}/{{.Path}}" rel="noopener">Edit Source</a>
{{end}}