diff --git a/contrib/kubernetes/basic_kubernetes_example_with_helm/README.md b/contrib/kubernetes/basic_kubernetes_example_with_helm/README.md
index 6928fbb568..e4e4117b9c 100644
--- a/contrib/kubernetes/basic_kubernetes_example_with_helm/README.md
+++ b/contrib/kubernetes/basic_kubernetes_example_with_helm/README.md
@@ -1,6 +1,6 @@
 # Basic Kubernetes example with Helm
 
 > [!NOTE]
-> This documentation is deprecated and will be removed at a future date, please use the well maintained [Backstage Helm Charts](https://github.com/backstage/charts) for this.
+> This documentation is deprecated and will be removed at a future date, please use the well-maintained [Backstage Helm Charts](https://github.com/backstage/charts) for this.
 
 Note that these examples aim to show a minimal setup and do not include best practices for secure Kubernetes deployments. See the [Kubernetes documentation](https://kubernetes.io/docs/concepts/security/) for more information, or resources provided by your own organization.
diff --git a/docs/releases/v1.8.0-changelog.md b/docs/releases/v1.8.0-changelog.md
index 54447a3960..cc5c26bf8d 100644
--- a/docs/releases/v1.8.0-changelog.md
+++ b/docs/releases/v1.8.0-changelog.md
@@ -646,7 +646,7 @@
     - `step`: The name of the step that was run
     - `result`: A string describing whether the task ran successfully, failed, or was skipped
 
-  You can find a guide for running Prometheus metrics here: <https://github.com/backstage/backstage/blob/master/contrib/docs/tutorials/prometheus-metrics.md>
+  You can find a guide for running Prometheus metrics here: <https://github.com/backstage/backstage/blob/384b7bac2e/contrib/docs/tutorials/prometheus-metrics.md>
 
 - 5921b5ce49: - The GitLab Project ID for the `publish:gitlab:merge-request` action is now passed through the query parameter `project` in the `repoUrl`. It still allows people to not use the `projectid` and use the `repoUrl` with the `owner` and `repo` query parameters instead. This makes it easier to publish to repositories instead of writing the full path to the project.
 
diff --git a/mkdocs.yml b/mkdocs.yml
index e01ab2a431..4b32556c96 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -221,7 +221,6 @@ nav:
       - React Router 6.0 Migration: 'tutorials/react-router-stable-migration.md'
       - Package Role Migration: 'tutorials/package-role-migration.md'
       - Migrating away from @backstage/core: 'tutorials/migrating-away-from-core.md'
-      - Adding Custom Plugin to Existing Monorepo App: 'tutorials/quickstart-app-plugin.md'
       - Manual Rollback using Knex: 'tutorials/manual-knex-rollback.md'
       - Switching Backstage from SQLite to PostgreSQL: 'tutorials/switching-sqlite-postgres.md'
       - Using the Backstage Proxy from Within a Plugin: 'tutorials/using-backstage-proxy-within-plugin.md'
diff --git a/plugins/scaffolder-backend/CHANGELOG.md b/plugins/scaffolder-backend/CHANGELOG.md
index 25d3f0f8f2..dc2a306271 100644
--- a/plugins/scaffolder-backend/CHANGELOG.md
+++ b/plugins/scaffolder-backend/CHANGELOG.md
@@ -5651,7 +5651,7 @@
     - `step`: The name of the step that was run
     - `result`: A string describing whether the task ran successfully, failed, or was skipped
 
-  You can find a guide for running Prometheus metrics here: https://github.com/backstage/backstage/blob/master/contrib/docs/tutorials/prometheus-metrics.md
+  You can find a guide for running Prometheus metrics here: https://github.com/backstage/backstage/blob/384b7bac2e/contrib/docs/tutorials/prometheus-metrics.md
 
 - 5921b5ce49: - The GitLab Project ID for the `publish:gitlab:merge-request` action is now passed through the query parameter `project` in the `repoUrl`. It still allows people to not use the `projectid` and use the `repoUrl` with the `owner` and `repo` query parameters instead. This makes it easier to publish to repositories instead of writing the full path to the project.
 - 5025d2e8b6: Adds the ability to pass (an optional) array of strings that will be applied to the newly scaffolded repository as topic labels.
@@ -5744,7 +5744,7 @@
     - `step`: The name of the step that was run
     - `result`: A string describing whether the task ran successfully, failed, or was skipped
 
-  You can find a guide for running Prometheus metrics here: https://github.com/backstage/backstage/blob/master/contrib/docs/tutorials/prometheus-metrics.md
+  You can find a guide for running Prometheus metrics here: https://github.com/backstage/backstage/blob/384b7bac2e/contrib/docs/tutorials/prometheus-metrics.md
 
 ### Patch Changes