diff --git a/.github/workflows/vale-docs-linter.yml b/.github/workflows/vale-docs-linter.yml
index 3e2aedb..77f9b6f 100644
--- a/.github/workflows/vale-docs-linter.yml
+++ b/.github/workflows/vale-docs-linter.yml
@@ -26,8 +26,14 @@ jobs:
         if: steps.changed-files.outputs.any_changed == 'true'
         uses: errata-ai/vale-action@reviewdog
         with:
+          # tj-actions/changed-files emits a space-separated list, so telling the
+          # action it is comma-separated made it pass Vale one argument holding
+          # every path joined by spaces. That is a valid path only when a PR
+          # changed exactly one file, so the check silently skipped every larger
+          # one: Vale answers an unmatched path with an empty result and exit 0.
+          # See docs-tracking#375.
           files: ${{ steps.changed-files.outputs.all_changed_and_modified_files }}
-          separator: ","
+          separator: " "
           # added, diff_context, file, nofilter
           filter_mode: file
           # github-pr-check, github-pr-review, github-check
diff --git a/integrations/platform-integrations.mdx b/integrations/platform-integrations.mdx
index 2931ffe..05b89e6 100644
--- a/integrations/platform-integrations.mdx
+++ b/integrations/platform-integrations.mdx
@@ -27,7 +27,7 @@ The Anthropic Connectors Directory integration is separate from [Claude Managed
 
 ## QM by Y Combinator
 
-[QM](https://github.com/yc-software/qm) is an open-source agent platform with a Sprites sandbox backend. QM's control plane and UI stay in the deployment you manage; agent commands run in Sprites when the backend is selected. Its published CLI requires Node.js 24 or newer.
+[QM](https://github.com/yc-software/qm) is an open source agent platform with a Sprites sandbox backend. QM's control plane and UI stay in the deployment you manage; agent commands run in Sprites when the backend is selected. Its published CLI requires Node.js 24 or newer.
 
 Before starting, have access to your chosen deployment infrastructure, the model credentials required by your QM configuration, and a [Sprites API token](https://sprites.dev/account). See [QM's deployment guide](https://github.com/yc-software/qm/blob/main/deployment.md) for the full prerequisites.