Add parentheses after require() function name

frontend/encore/simple-example.rst

@@ -10,7 +10,7 @@ CSS and one JS file, organized into an ``assets/`` directory:
 With Encore, think of your ``app.js`` file like a standalone JavaScript
 application: it will *require* all of the dependencies it needs (e.g. jQuery or React),
 *including* any CSS. Your ``app.js`` file is already doing this with a special
-``require`` function:
+``require()`` function:
 
 .. code-block:: javascript
 
@@ -21,7 +21,7 @@ application: it will *require* all of the dependencies it needs (e.g. jQuery or
 
     // var $ = require('jquery');
 
-Encore's job (via Webpack) is simple: to read and follow *all* of the ``require``
+Encore's job (via Webpack) is simple: to read and follow *all* of the ``require()``
 statements and create one final ``app.js`` (and ``app.css``) that contains *everything*
 your app needs. Encore can do a lot more: minify files, pre-process Sass/LESS,
 support React, Vue.js, etc.
@@ -51,7 +51,7 @@ of your project. It already holds the basic config you need:
     // ...
 
 They *key* part is ``addEntry()``: this tells Encore to load the ``assets/js/app.js``
-file and follow *all* of the ``require`` statements. It will then package everything
+file and follow *all* of the ``require()`` statements. It will then package everything
 together and - thanks to the first ``app`` argument - output final ``app.js`` and
 ``app.css`` files into the ``web/build`` directory.
 
@@ -120,7 +120,7 @@ be executed. All the CSS files that were required will also be displayed.
 
 The ``encore_entry_link_tags()`` and ``encore_entry_script_tags()`` functions
 read from an ``entrypoints.json`` file that's generated by Encore to know the exact
-filename(s) to render . This file is *especially* useful because you can
+filename(s) to render. This file is *especially* useful because you can
 :doc:`enable versioning</frontend/encore/versioning>` or
 :doc:`point assets to a CDN</frontend/encore/cdn>` without making *any* changes to your
 template: the paths in ``entrypoints.json`` will always be the final, correct paths.
@@ -179,7 +179,7 @@ added to the output file (``app.js``). Refresh to see the message!
 The import and export Statements
 --------------------------------
 
-Instead of using ``require`` and ``module.exports`` like shown above, JavaScript
+Instead of using ``require()`` and ``module.exports`` like shown above, JavaScript
 provides an alternate syntax based on the `ECMAScript 6 modules`_ that includes
 the ability to use dynamic imports.