diff --git a/en/08_Changelogs/5.4.0.md b/en/08_Changelogs/5.4.0.md
index fbc0db1f..fc7c194b 100644
--- a/en/08_Changelogs/5.4.0.md
+++ b/en/08_Changelogs/5.4.0.md
@@ -256,6 +256,7 @@ The `SilverStripe\CMS\Model\SiteTree.DESCRIPTION` localisation key (along with t
 - [`SiteTree::getIconClass()`](api:SilverStripe\CMS\Model\SiteTree::getIconClass()) has been deprecated. It will be replaced with `SilverStripe\CMS\Controllers\CMSMain::getRecordIconCssClass()`.
 - [`SiteTree::getPageIconURL()`](api:SilverStripe\CMS\Model\SiteTree::getPageIconURL()) has been deprecated. It will be replaced with `SilverStripe\CMS\Controllers\CMSMain::getRecordIconUrl()`.
 - [`SiteTree::generateChildrenCacheKey()`](api:SilverStripe\CMS\Model\SiteTree::generateChildrenCacheKey()) has been deprecated. It will be replaced with `SilverStripe\CMS\Controllers\CMSMain::generateChildrenCacheKey()`.
+- [`Form::validationResult()`](api:SilverStripe\Forms\Form::validationResult()) has been deprecated. Use `SilverStripe\Forms\Form::validate()` instead.
 
 ## Bug fixes