minor symfony#10063 Fix a typo (elkuku)

This PR was submitted for the 4.1 branch but it was merged into the 3.4 branch instead (closes symfony#10063).

Discussion
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Fix a typo

Maybe it would be better to name that link `Index` or just `Table of Contents`?

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Commits
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59280c9 Minor reword
791eced Fix a typo

Author: javiereguiluz

frontend/encore/simple-example.rst

@@ -202,4 +202,4 @@ If those entries include CSS/Sass files (e.g. ``homepage.js`` requires
 Keep Going!
 -----------
 
-Go back to the :ref:`Encore Top List <encore-toc>` to learn more and add new features.
+Go back to the :ref:`List of Encore Articles <encore-toc>` to learn more and add new features.