4.0 release notes - fix layout of UX Unification section

- also fix typo in instructions

docs/releases/4.0.md

@@ -76,33 +76,33 @@ In Wagtail 2.16, we introduced support for Windows High Contrast mode (WHCM). Th
 In Wagtail 3.0, a new Page Editor experience was introduced, this release brings many of the UX and UI improvements to other parts of Wagtail for a more consistent experience.
 The bulk of these enhancements have been from Paarth Agarwal, who has been doing the [UX Unification](https://github.com/wagtail/wagtail/discussions/8158) internship project alongside other Google Summer of Code participants. This internship has been sponsored by Torchbox with mentoring support from LB (Ben Johnston), Thibaud Colas and Helen Chapman.
 
- * Login and password reset
+* **Login and password reset**
   * Refreshed design for login and password reset pages to better suit a wider range of device sizes
   * Better accessibility and screen reader support for the sign in form due to a more appropriate DOM structure and skip link improvements
   * Remove usage of inline script to focus on username field and instead use `autofocus`
   * Wagtail logo added with the ability to override this logo via [](custom_branding)
- * Breadcrumbs
-   * Add Breadcrumbs to the Wagtail pattern library
-   * Enhance new breadcrumbs so they can be added to any header or container element
-   * Adopt new breadcrumbs on the page explorer (listing) view and the page chooser modal, remove legacy breadcrumbs code for move page as no longer used
-   * Rename `explorer_breadcrumb` template tag to `breadcrumbs` as it is now used in multiple locations
-   * Remove legacy (non-next) breadcrumbs no longer used, remove `ModelAdmin` usage of breadcrumbs completely and adopt consistent 'back' link approach
- * Headers
-   * Update classes and styles for the shared header templates to align with UI guidelines
-   * Ensure the shared header template is more reusable, add ability to include classes, extra content and other blocks
-   * Switch all report workflow, redirects, form submissions, site settings views to use Wagtail’s reusable header component
-   * Resolve issues throughout Wagtail where the sidebar toggle would overlap header content on small devices
- * Tabs
-   * Add Tabs to the Wagtail pattern library
-   * Adopt new Tabs component in the workflow history report page, removing the bespoke implementation there
- * Dashboard (home) view
-   * Migrate the dashboard (home) view header to the shared header template and update designs
-   * Refresh designs for Home (Dashboard) site summary panels, use theme spacing and colours
-   * Add support for RTL layouts and better support for small devices
-   * Add CSS support for more than three summary items if added via customisations
- * Page Listing view
-   * Adopt the slim header in page listing views, with buttons moved under the "Actions" dropdown
-   * Add convenient access to the translate page button in the parent "more" button
+* **Breadcrumbs**
+  * Add Breadcrumbs to the Wagtail pattern library
+  * Enhance new breadcrumbs so they can be added to any header or container element
+  * Adopt new breadcrumbs on the page explorer (listing) view and the page chooser modal, remove legacy breadcrumbs code for move page as no longer used
+  * Rename `explorer_breadcrumb` template tag to `breadcrumbs` as it is now used in multiple locations
+  * Remove legacy (non-next) breadcrumbs no longer used, remove `ModelAdmin` usage of breadcrumbs completely and adopt consistent 'back' link approach
+* **Headers**
+  * Update classes and styles for the shared header templates to align with UI guidelines
+  * Ensure the shared header template is more reusable, add ability to include classes, extra content and other blocks
+  * Switch all report workflow, redirects, form submissions, site settings views to use Wagtail’s reusable header component
+  * Resolve issues throughout Wagtail where the sidebar toggle would overlap header content on small devices
+* **Tabs**
+  * Add Tabs to the Wagtail pattern library
+  * Adopt new Tabs component in the workflow history report page, removing the bespoke implementation there
+* **Dashboard (home) view**
+  * Migrate the dashboard (home) view header to the shared header template and update designs
+  * Refresh designs for Home (Dashboard) site summary panels, use theme spacing and colours
+  * Add support for RTL layouts and better support for small devices
+  * Add CSS support for more than three summary items if added via customisations
+* **Page Listing view**
+  * Adopt the slim header in page listing views, with buttons moved under the "Actions" dropdown
+  * Add convenient access to the translate page button in the parent "more" button
 
 ### Previews, revisions and drafts for snippets
 
@@ -335,7 +335,7 @@ The internal JavaScript functions `createPageChooser`, `createSnippetChooser`, `
 * `createPageChooser(id)` should be replaced with `new PageChooser(id)`
 * `createSnippetChooser(id)` should be replaced with `new SnippetChooser(id)`
 * `createDocumentChooser(id)` should be replaced with `new DocumentChooser(id)`
-* `createImageChooser(id)` should be replaced with `newImageChooser(id)`
+* `createImageChooser(id)` should be replaced with `new ImageChooser(id)`
 
 ### URL route names for image, document and snippet apps have changed