Tweak script for updating release info page

Author: Tim Bannister

scripts/releng/update-release-info.sh

@@ -10,10 +10,18 @@ auto_generated: true
 ---
 <!-- THIS CONTENT IS AUTO-GENERATED via https://github.com/kubernetes/website/blob/main/scripts/releng/update-release-info.sh -->
 
-{{< warning >}}
-This content is auto-generated and links may not function. The source of the document is located [here](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-release/release.md).
-{{< /warning >}}
+{{% pageinfo color="light" %}}
+This content is auto-generated and links may not function. The source of the document is located
+[here](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-release/release.md).
+{{% /pageinfo %}}
+<!-- Localization note: omit the pageinfo block when localizing -->
 
 EOF
 
 curl --retry 3 https://raw.githubusercontent.com/kubernetes/community/master/contributors/devel/sig-release/release.md >> content/en/releases/release.md
+
+printf "\nDone" 1>&2
+printf "\n" 1>&2 # ensure a new line
+
+printf "You should now 'git add -p' the changes to %q.\n" content/en/releases/release.md
+printf "Some changes require manual checking.\n"