diff --git a/grouping-tests.md b/grouping-tests.md
index 4599e4a..26ad367 100644
--- a/grouping-tests.md
+++ b/grouping-tests.md
@@ -41,7 +41,7 @@ If you want to assign a group to a describe block, you can do so by chaining the
 
 ```php
 describe('home', function () {
-    test('main page', function ()
+    test('main page', function () {
         //
     });
 })->group('feature');
diff --git a/mutation-testing.md b/mutation-testing.md
index 3d89eaf..312977e 100644
--- a/mutation-testing.md
+++ b/mutation-testing.md
@@ -204,7 +204,7 @@ Run only the mutation with the given ID. Note, you need to provide the same opti
 Generate mutations for all your project's classes, bypassing the `covers()` method. This option is very resource-intensive and should be used combined with the `--covered-only` option.
 
 ```bash
-./vendor/bin/pest --everything --parallel --covered-only
+./vendor/bin/pest --mutate --everything --parallel --covered-only
 ```
 
 Ideally, you would also combine the `--parallel` option to speed up the process.
diff --git a/writing-tests.md b/writing-tests.md
index ba9af2d..73f7c1e 100644
--- a/writing-tests.md
+++ b/writing-tests.md
@@ -1,6 +1,6 @@
 ---
 title: Writing Tests
-description: Next let's get a brief overview of how to write tests using Pest. After successfully installing Pest, you will find the following files and folders in your project:
+description: Next let's get a brief overview of how to write tests using Pest.
 ---
 
 # Writing Tests
@@ -98,7 +98,7 @@ test('sum', function () {
 });
 ```
 
-You can find the full documentation for PHPUnit's assertion API on the PHPUnit website: [docs.phpunit.de/en/11.3/assertions.html](https://docs.phpunit.de/en/11.3/assertions.html)
+You can find the full documentation for PHPUnit's assertion API on the PHPUnit website: [docs.phpunit.de/en/11.4/assertions.html](https://docs.phpunit.de/en/11.4/assertions.html)
 
 ---