diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index c35f4ddc11b2c9..9bb9cd14bc1d0f 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -105,5 +105,5 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 2
-      # GH Actions squash all commits into one, HEAD^ refers to the base branch.
+      # GH Actions squashes all PR commits, HEAD^ refers to the base branch.
       - run: git diff HEAD^ HEAD -G"pr-url:" -- "*.md" | ./tools/lint-pr-url.mjs ${{ github.event.pull_request.html_url }}
diff --git a/tools/lint-pr-url.mjs b/tools/lint-pr-url.mjs
index 5f6781b21dd889..3b491d26e389cb 100755
--- a/tools/lint-pr-url.mjs
+++ b/tools/lint-pr-url.mjs
@@ -13,11 +13,11 @@ const fileDelimiter = /^\+\+\+ b\/(.+\.md)$/;
 const changeDelimiter = /^@@ -\d+,\d+ \+(\d+),\d+ @@/;
 const prUrlDefinition = /^\+\s+pr-url: (.+)$/;
 
+const validatePrUrl = (url) => url == null || url === expectedPrUrl;
+
 let currentFile;
 let currentLine;
 
-const validatePrUrl = (url) => url == null || url === expectedPrUrl;
-
 const diff = readline.createInterface({ input: process.stdin });
 for await (const line of diff) {
   if (fileDelimiter.test(line)) {