diff --git a/.changeset/heavy-owls-float.md b/.changeset/heavy-owls-float.md
index 1997e64d72..274876e723 100644
--- a/.changeset/heavy-owls-float.md
+++ b/.changeset/heavy-owls-float.md
@@ -5,6 +5,8 @@
 
 Google Cloud authentication in TechDocs has been improved.
 
-`techdocs.publisher.googleGcs.credentials` is now optional. If it is missing, `GOOGLE_APPLICATION_CREDENTIALS`
-environment variable (and some other methods) will be used to authenticate.
-Read more here https://cloud.google.com/docs/authentication/production
+1. `techdocs.publisher.googleGcs.credentials` is now optional. If it is missing, `GOOGLE_APPLICATION_CREDENTIALS`
+   environment variable (and some other methods) will be used to authenticate.
+   Read more here https://cloud.google.com/docs/authentication/production
+
+2. `techdocs.publisher.googleGcs.projectId` is no longer used. You can remove it from your `app-config.yaml`.
diff --git a/docs/features/techdocs/using-cloud-storage.md b/docs/features/techdocs/using-cloud-storage.md
index 7be977887b..474d9d64e6 100644
--- a/docs/features/techdocs/using-cloud-storage.md
+++ b/docs/features/techdocs/using-cloud-storage.md
@@ -37,7 +37,8 @@ techdocs-backend will publish documentation to this bucket. TechDocs will fetch
 files from here to serve documentation in Backstage. Note that the bucket names
 are globally unique.
 
-Set the name of the bucket to `techdocs.publisher.googleGcs.bucketName`.
+Set the config `techdocs.publisher.googleGcs.bucketName` in your
+`app-config.yaml` to the name of the bucket you just created.
 
 ```yaml
 techdocs: