docs: fix typo (#16265)

Author: pascalwill

docs/guide/backend-integration.md

@@ -117,7 +117,7 @@ If you need a custom integration, you can follow the steps in this guide to conf
    - A `<link rel="stylesheet">` tag for each file in the entry point chunk's `css` list
    - Recursively follow all chunks in the entry point's `imports` list and include a
      `<link rel="stylesheet">` tag for each css file of each imported chunk.
-   - A tag for the `file` key of the entry point chunk (`<script type="moudle">` for Javascript,
+   - A tag for the `file` key of the entry point chunk (`<script type="module">` for Javascript,
      or `<link rel="stylesheet">` for css)
    - Optionally, `<link rel="modulepreload">` tag for the `file` of each imported Javascript
      chunk, again recursively following the imports starting from the entry point chunk.