diff --git a/docs/integrations/aws-s3/discovery.md b/docs/integrations/aws-s3/discovery.md
index 545a578e63..0ce660049a 100644
--- a/docs/integrations/aws-s3/discovery.md
+++ b/docs/integrations/aws-s3/discovery.md
@@ -27,8 +27,14 @@ catalog:
 
 Note the `s3-discovery` type, as this is not a regular `url` processor.
 
-As this processor is not one of the default providers, you will also need to add
-the below to `packages/backend/src/plugins/catalog.ts`:
+As this processor is not one of the default providers, you will first need to install the AWS catalog plugin:
+
+```shell
+cd packages/backend
+yarn install @backstage/plugin-catalog-backend-module-aws
+```
+
+Once you've done that, you'll also need to add the segment below to `packages/backend/src/plugins/catalog.ts`:
 
 ```ts
 /* packages/backend/src/plugins/catalog.ts */