diff --git a/files/templates/formatting.html b/files/templates/formatting.html
index 7bfb4257e6..da68426562 100644
--- a/files/templates/formatting.html
+++ b/files/templates/formatting.html
@@ -142,6 +142,55 @@ We also have some custom hooks for mentioning users and subreddits. Note that th
 	</tr>
 </table>
 
+{% filter markdown %}
+
+## Custom HTML
+
+And we allow custom HTML in most places
+
+Allowed tags:
+
+- b
+- blockquote
+- br
+- code
+- del
+- em
+- h1
+- h2
+- h3
+- h4
+- h5
+- h6
+- hr
+- i
+- li
+- ol
+- p
+- pre
+- strong
+- sub
+- sup
+- table
+- tbody
+- th
+- thead
+- td
+- tr
+- ul
+- marquee
+- a
+- img
+- span
+
+Allowed styles:
+
+- color
+- font-weight
+- margin-bottom
+
+{% endfilter %}
+
 {% include "expanded_image_modal.html" %}
 
 <script src="/assets/js/general24.js"></script>