diff --git a/README.md b/README.md
index b75d7b6..bcb2193 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# GetOrganized API client 
+# GetOrganized API client
 
 ## Installation
 
@@ -56,11 +56,31 @@ class Tiles extends Service
 
 ## Development
 
+### Tests
+
+```sh
+docker run --interactive --tty --rm --volume ${PWD}:/app itkdev/php8.1-fpm:latest composer install
+docker run --interactive --tty --rm --volume ${PWD}:/app itkdev/php8.1-fpm:latest vendor/bin/phpunit
+```
+
 ### Coding standards
 
-The following commands let you test that the coding standards:
+The following commands let you test that the code adheres to the coding standards:
 
 ```sh
-docker run --interactive --tty --rm --volume ${PWD}:/app itkdev/php7.4-fpm:latest composer coding-standards-check
+docker run --interactive --tty --rm --volume ${PWD}:/app itkdev/php8.1-fpm:latest composer install
+docker run --interactive --tty --rm --volume ${PWD}:/app itkdev/php8.1-fpm:latest composer coding-standards-check
 ```
 
+Automatically fix some coding standards issues by running
+
+```sh
+docker run --interactive --tty --rm --volume ${PWD}:/app itkdev/php8.1-fpm:latest composer coding-standards-apply
+```
+
+### Code analysis
+
+```sh
+docker run --interactive --tty --rm --volume ${PWD}:/app itkdev/php8.1-fpm:latest composer install
+docker run --interactive --tty --rm --volume ${PWD}:/app itkdev/php8.1-fpm:latest composer code-analysis
+```
diff --git a/src/Mock/resources/_goapi/Documents/AddToDocumentLibrary.yaml b/src/Mock/resources/_goapi/Documents/AddToDocumentLibrary.yaml
index bb9f819..ba3685d 100644
--- a/src/Mock/resources/_goapi/Documents/AddToDocumentLibrary.yaml
+++ b/src/Mock/resources/_goapi/Documents/AddToDocumentLibrary.yaml
@@ -7,7 +7,7 @@
         CaseId: 'GEO-2022-000114'
         ListName: 'Dokumenter'
         FolderPath: ''
-        FileName: ''
+        FileName: 'pipfugl.png'
         Metadata: '<z:row xmlns:z="#RowsetSchema"/>'
         Overwrite: true
   response:
diff --git a/src/Service/Documents.php b/src/Service/Documents.php
index f146de8..68e05a0 100644
--- a/src/Service/Documents.php
+++ b/src/Service/Documents.php
@@ -53,6 +53,14 @@ public function AddToDocumentLibrary(string $filePath, string $caseId, string $f
 
         $bytes = self::fileToIntArray($filePath);
 
+        if (empty($fileName)) {
+            $fileName = basename($filePath);
+        }
+
+        // Make sure that the file name is valid in Windows (cf.
+        // https://learn.microsoft.com/en-us/windows/win32/fileio/naming-a-file#naming-conventions).
+        $fileName = preg_replace('@[<>:"/\\\\|?*]@', '_', $fileName);
+
         $result = $this->getData(
             'POST',
             $this->getApiBasePath().__FUNCTION__,