Docs: consistent deprecation messages in Close Button dark variant (#38247)

diff --git a/site/content/docs/5.3/components/close-button.md b/site/content/docs/5.3/components/close-button.md
index 033958dedaa95cbffc255dbd22a3a43cc56e740b..533271b498746a0613599abc80393738c17f3dc8 100644 (file)
--- a/site/content/docs/5.3/components/close-button.md
+++ b/site/content/docs/5.3/components/close-button.md
@@ -24,7 +24,9 @@ Disabled close buttons change their `opacity`. We've also applied `pointer-event
 
 ## Dark variant
 
-{{< callout info >}}
+{{< deprecated-in "5.3.0" >}}
+
+{{< callout warning >}}
 **Heads up!** As of v5.3.0, the `.btn-close-white` class is deprecated. Instead, use `data-bs-theme="dark"` to change the color mode of the close button.
 {{< /callout >}}