diff --git a/site/content/docs/5.1/components/alerts.md b/site/content/docs/5.1/components/alerts.md
index 9ca56d17c8e0..97a9d4e3f431 100644
--- a/site/content/docs/5.1/components/alerts.md
+++ b/site/content/docs/5.1/components/alerts.md
@@ -160,7 +160,7 @@ When an alert is dismissed, the element is completely removed from the page stru
 
 ### Variables
 
-<small class="d-inline-flex px-2 py-1 font-monospace text-muted border rounded-3">Added in v5.3.0</small>
+<small class="d-inline-flex px-2 py-1 font-monospace text-muted border rounded-3">Added in v5.2.0</small>
 
 As part of Bootstrap's evolving CSS variables approach, buttons now use local CSS variables on `.alert` for enhanced real-time customization. Values for the CSS variables are set via Sass, so Sass customization is still supported, too.