diff --git a/en/02_Developer_Guides/15_Customising_the_Admin_Interface/04_CMS_Architecture.md b/en/02_Developer_Guides/15_Customising_the_Admin_Interface/04_CMS_Architecture.md
index 294e1602..132ebc59 100644
--- a/en/02_Developer_Guides/15_Customising_the_Admin_Interface/04_CMS_Architecture.md
+++ b/en/02_Developer_Guides/15_Customising_the_Admin_Interface/04_CMS_Architecture.md
@@ -31,7 +31,7 @@ The pattern library can be used to preview React components without including th
 
 The easiest way to access the pattern library is to view it online. The pattern library for the latest Silverstripe CMS development branch is automatically built and deployed. Note that this may include new components that are not yet available in a stable release.
 
-[Browse the Silverstripe CMS pattern library online](https://silverstripe.g.ithub.io/silverstripe-pattern-lib/).
+[Browse the Silverstripe CMS pattern library online](https://silverstripe.github.io/silverstripe-pattern-lib/).
 
 ### Running the pattern library
 
diff --git a/en/08_Changelogs/5.4.0.md b/en/08_Changelogs/5.4.0.md
index 14b18557..bd4aa79b 100644
--- a/en/08_Changelogs/5.4.0.md
+++ b/en/08_Changelogs/5.4.0.md
@@ -189,6 +189,10 @@ The `SilverStripe\CMS\Model\SiteTree.DESCRIPTION` localisation key (along with t
 - [`LeftAndMain::Modals()`](api:SilverStripe\Admin\LeftAndMain::Modals()) has been deprecated. It will be removed without equivalent functionality to replace it.
 - [`ModalController::getController()`](api:SilverStripe\Admin\ModalController::getController()) has been deprecated. It will be removed without equivalent functionality to replace it.
 - [`ModalController::getName()`](api:SilverStripe\Admin\ModalController::getName()) has been deprecated. It will be removed without equivalent functionality to replace it.
+- [`CampaignAdminExtension`](api:SilverStripe\AssetAdmin\Extensions\CampaignAdminExtension) has been deprecated. It will be removed without equivalent functionality to replace it.
+- [`CMSPageEditController::addtocampaign()`](api:SilverStripe\CMS\Controllers\CMSPageEditController::addtocampaign()) has been deprecated. It will be removed without equivalent functionality to replace it.
+- [`CMSPageEditController::AddToCampaignForm()`](api:SilverStripe\CMS\Controllers\CMSPageEditController::AddToCampaignForm()) has been deprecated. It will be removed without equivalent functionality to replace it.
+- [`CMSPageEditController::getAddToCampaignForm()`](api:SilverStripe\CMS\Controllers\CMSPageEditController::getAddToCampaignForm()) has been deprecated. It will be removed without equivalent functionality to replace it.
 
 ## Bug fixes