minor #8110 Update advanced-config.rst (ostretsov)

This PR was merged into the 3.3 branch.

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Update advanced-config.rst

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01885bd Update advanced-config.rst

Author: xabbuh

frontend/encore/advanced-config.rst

@@ -6,7 +6,7 @@ Quite simply, Encore generates the Webpack configuration that's used in your
 `configuration options`_, because many can be easily added on your own.
 
 For example, suppose you need to set `Webpack's watchOptions`_ setting. To do that,
-modify the config after fetching the it from Encore:
+modify the config after fetching it from Encore:
 
 .. code-block:: javascript
 
@@ -41,4 +41,4 @@ But be careful not to accidentally override any config from Encore:
     // config.resolve.extensions = ['json'];
 
 .. _`configuration options`: https://webpack.js.org/configuration/
-.. _`Webpack's watchOptions`: https://webpack.js.org/configuration/watch/#watchoptions
+.. _`Webpack's watchOptions`: https://webpack.js.org/configuration/watch/#watchoptions