[amber-docs] RFR: Copy edit of the templated strings proposal

[Brian Goetz]

On Thu, 16 Sep 2021 17:56:19 GMT, Anthony Vanelverdinghe <github.com+15714253+anthonyvdotbe at openjdk.org> wrote:

> As the title says.

site/design-notes/templated-strings.md line 123:

> 121: ```
> 122: 
> 123: where `STR` is a static field of `TemplatePolicy` which captures the obvious

This change is not right; it is not a field of TemplatePolicy, but a statically imported field of _some class_, where the field implements TemplatePolicy.  Perhaps this is "static field whose type is `TEmplatePolicy`.

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PR: https://git.openjdk.java.net/amber-docs/pull/9