minor #12912 Fixes unclear sentence in finder.rst (kane-menicou)

This PR was squashed before being merged into the 3.4 branch (closes #12912).

Discussion
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Fixes unclear sentence in finder.rst

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Commits
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6011b51 Fixes unclear sentence in finder.rst

Author: javiereguiluz

components/finder.rst

@@ -144,9 +144,7 @@ And it also works with user-defined streams::
 Files or Directories
 ~~~~~~~~~~~~~~~~~~~~
 
-By default, the Finder returns files and directories; but the
-:method:`Symfony\\Component\\Finder\\Finder::files` and
-:method:`Symfony\\Component\\Finder\\Finder::directories` methods control that::
+By default, the Finder returns both files and directories. If you need to find either files or directories only, use the :method:`Symfony\\Component\\Finder\\Finder::files` and :method:`Symfony\\Component\\Finder\\Finder::directories` methods::
 
     $finder->files();