git: openjdk/amber-docs: Update templated-strings.md

[JimLaskey]

Changeset: 2c16f312
Author:    JimLaskey <james.laskey at oracle.com>
Date:      2021-09-16 09:59:52 +0000
URL:       https://git.openjdk.java.net/amber-docs/commit/2c16f31205da9b4475b7f4907608bbc07a72a365

Update templated-strings.md

! site/design-notes/templated-strings.md