[Sync to prerelease] Two minor typos (#1990)

* Fix broken link to style guide

* Move a period

(cherry picked from commit ba80b66)

Co-authored-by: Michael A. Alderete <[email protected]>

Author: github-actions[bot]

README.md

@@ -171,4 +171,4 @@ Our GitHub Action workflows are documented in [`.github/workflows/README.md`](.g
 
 ## Style Guide
 
-You can find some style guidance in [style-guide.md](style-guide.md).
+You can find some style guidance in [_style-guide.md](_style-guide.md).

docs/authoring/_pagebreak.qmd

@@ -1,6 +1,6 @@
 ## Page Breaks
 
-The `pagebreak` [shortcode](shortcodes.qmd) enables you to insert a native pagebreak into a document (.e.g in LaTeX this would be a `\newpage`, in MS Word a docx-native pagebreak, in HTML a `page-break-after: always` CSS directive, etc.):
+The `pagebreak` [shortcode](shortcodes.qmd) enables you to insert a native pagebreak into a document (e.g. in LaTeX this would be a `\newpage`, in MS Word a docx-native pagebreak, in HTML a `page-break-after: always` CSS directive, etc.):
 
 ```{.markdown shortcodes="false"}
 page 1