diff --git a/functional-samples/libraries-xhr-in-sw/sidepanel/index.html b/functional-samples/libraries-xhr-in-sw/sidepanel/index.html
index 73cba6ebc2..1df2bc2801 100644
--- a/functional-samples/libraries-xhr-in-sw/sidepanel/index.html
+++ b/functional-samples/libraries-xhr-in-sw/sidepanel/index.html
@@ -1,4 +1,4 @@
-
+
Title Fetcher
diff --git a/functional-samples/sample.bookmarks/README.md b/functional-samples/sample.bookmarks/README.md
index 1d10a995f9..c79ac68ec5 100644
--- a/functional-samples/sample.bookmarks/README.md
+++ b/functional-samples/sample.bookmarks/README.md
@@ -12,4 +12,4 @@ The manager provides a popup where you can manage your bookmarks.
1. Clone this repository.
2. Load this directory in Chrome as an [unpacked extension](https://developer.chrome.com/docs/extensions/mv3/getstarted/development-basics/#load-unpacked).
3. Click the extension icon.
-4. Manage your bookmarks.
\ No newline at end of file
+4. Manage your bookmarks.
diff --git a/functional-samples/sample.page-redder/README.md b/functional-samples/sample.page-redder/README.md
index 31960eaa01..e1b1da6eef 100644
--- a/functional-samples/sample.page-redder/README.md
+++ b/functional-samples/sample.page-redder/README.md
@@ -11,4 +11,4 @@ This extension changes the background color of the active tab page (if its URL d
1. Clone this repository.
2. Load this directory in Chrome as an [unpacked extension](https://developer.chrome.com/docs/extensions/mv3/getstarted/development-basics/#load-unpacked).
3. Navigate to any page (make sure that the URL doesn't start with `chrome://`).
-4. Click the extension icon.
\ No newline at end of file
+4. Click the extension icon.
diff --git a/functional-samples/sample.webgpu/manifest.json b/functional-samples/sample.webgpu/manifest.json
index c075e175d7..a5cd4f2cca 100644
--- a/functional-samples/sample.webgpu/manifest.json
+++ b/functional-samples/sample.webgpu/manifest.json
@@ -5,7 +5,7 @@
"version": "1.0",
"action": {
"default_title": "Click to see a red triangle"
- },
+ },
"background": {
"service_worker": "service-worker.js"
}
diff --git a/functional-samples/tutorial.quick-api-reference/README.md b/functional-samples/tutorial.quick-api-reference/README.md
index 49f7a7c27c..d7e7714472 100644
--- a/functional-samples/tutorial.quick-api-reference/README.md
+++ b/functional-samples/tutorial.quick-api-reference/README.md
@@ -15,4 +15,4 @@ The complete tutorial is available [here](https://developer.chrome.com/docs/exte
1. Clone this repository.
2. Load this directory in Chrome as an [unpacked extension](https://developer.chrome.com/docs/extensions/mv3/getstarted/development-basics/#load-unpacked).
3. Type "api" in the omnibox followed by tab or space and select a suggestion.
-4. Click on "Tip" button in the navigation bar.
\ No newline at end of file
+4. Click on "Tip" button in the navigation bar.