Fix some issues raised by Vale

Author: jennybc

.github/styles/config/vocabularies/posit-docs/accept.txt

@@ -38,3 +38,4 @@ AWS Bedrock
 Action Bar
 Action Bars
 Top Action Bar
+Air

migrate-rstudio-overview.qmd

@@ -17,7 +17,7 @@ Some of these features may eventually come to Positron, but if any of these are
 
 * Inline output in Quarto documents, i.e. a notebook-style interface for `.qmd` (or `.Rmd`) files. Tracked in <https://github.com/posit-dev/positron/issues/5640>.
 * Something about R Markdown? Relevant issue: <https://github.com/posit-dev/positron/issues/1421>.
-* Saving and re-loading workspace state when you restart R.
+* Saving and reloading workspace state when you restart R.
 * Dedicated panes and buttons for specialized tasks, such code profiling or installing or developing packages.
 * History pane. Tracked in <https://github.com/posit-dev/positron/issues/5484>.
 * Data import widget.

migrate-rstudio-settings-and-extensions.qmd

@@ -8,7 +8,7 @@ For comprehensive documentation on settings, visit the [VS Code settings documen
 Likewise, there is [general guidance on installing extensions in Positron](extensions.qmd).
 So here we just focus on a few that have above-average interest for an RStudio user.
 
-## Top 10 Settings for RStudio Users
+## Top 10 settings for RStudio users
 
 Positron includes hundreds of configurable settings, but these 10 are particularly helpful for RStudio users transitioning to Positron:
 
@@ -24,7 +24,7 @@ Positron includes hundreds of configurable settings, but these 10 are particular
    ```
 1. **What else?**
 
-## Top 10 Extensions for RStudio Users
+## Top 10 extensions for RStudio users
 
 1. **Shiny**
 1. **What else?**