diff --git a/docs/extensions/listings/shortcodes-and-filters.yml b/docs/extensions/listings/shortcodes-and-filters.yml
index a310a4fba..524affa55 100644
--- a/docs/extensions/listings/shortcodes-and-filters.yml
+++ b/docs/extensions/listings/shortcodes-and-filters.yml
@@ -463,3 +463,15 @@
   author: "[Garrick Aden-Buie](https://github.com/gadenbuie)"
   description: |
     A shortcode to include partial content templates using the mustache templating syntax.
+
+- name: admonitions
+  path: https://github.com/nessan/admonitions
+  author: "[Nessan Fitzmaurice](https://github.com/nessan)"
+  description: |
+    An extension that adds AsciiDoc-style [admonitions](https://docs.asciidoctor.org/asciidoc/latest/blocks/admonitions/) to Quarto.
+
+- name: simple-vars
+  path: https://github.com/nessan/simple-vars
+  author: "[Nessan Fitzmaurice](https://github.com/nessan)"
+  description: |
+    An extension lets you replace `{{<var name >}}` shortcode calls with simpler `{name}` ones.
\ No newline at end of file