minor #15162 [Finder] Fix typo (sebpacz)

This PR was merged into the 4.4 branch.

Discussion
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[Finder] Fix typo

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Commits
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a6874e6 [Finder] Fix typo

Author: javiereguiluz

components/finder.rst

@@ -214,7 +214,7 @@ Use the forward slash (i.e. ``/``) as the directory separator on all platforms,
 including Windows. The component makes the necessary conversion internally.
 
 The ``path()`` method accepts a string, a regular expression or an array of
-strings or regulars expressions::
+strings or regular expressions::
 
     $finder->path('foo/bar');
     $finder->path('/^foo\/bar/');