[DOCS] Use correct event names in changelog

Events are named AfterSectionMarkupGeneratedEvent and
BeforeSectionMarkupGeneratedEvent.

Resolves: #90397
Releases: master
Change-Id: I6a4b690894321d10a618f6056e0790a69d0921d6
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63273


Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>

typo3/sysext/core/Documentation/Changelog/master/Feature-88921-NewEventInThePageLayoutViewClassToEnrichContentIntoTheColumnsInTheBackendLayout.rst

@@ -13,8 +13,8 @@ Two new PSR-14 events are added in the PageLayoutView class.
 Those events can be used to add content into any column of a BackendLayout.
 You can use this for example to show some content in a column without a ``colPos`` assigned.
 
-The event :php:`BeforeGeneratedColposMarkupEvent` can be used to add content above
-the content elements of the column. The event :php:`AfterGeneratedColposMarkupEvent`
+The event :php:`BeforeSectionMarkupGeneratedEvent` can be used to add content above
+the content elements of the column. The event :php:`AfterSectionMarkupGeneratedEvent`
 can be used to add content below the content elements of the column.
 
 You can use business logic to show content in specific columns.