diff --git a/website/docs/faqs/Docs/documenting-macros.md b/website/docs/faqs/Docs/documenting-macros.md
index 9a2036cd6bf..2111276baa0 100644
--- a/website/docs/faqs/Docs/documenting-macros.md
+++ b/website/docs/faqs/Docs/documenting-macros.md
@@ -27,3 +27,26 @@ macros:
 ```
 
 </File>
+
+## Document a custom materialization
+
+When you create a [custom materialization](/guides/create-new-materializations), dbt creates an associated macro with the following format:
+```
+materialization_{materialization_name}_{adapter}
+```
+
+To document a custom materialization, use the previously mentioned format to determine the associated macro name(s) to document.
+
+<File name='macros/properties.yml'>
+
+```yaml
+version: 2
+
+macros:
+  - name: materialization_my_materialization_name_default
+    description: A custom materialization to insert records into an append-only table and track when they were added.
+  - name: materialization_my_materialization_name_xyz
+    description: A custom materialization to insert records into an append-only table and track when they were added.
+```
+
+</File>