minor symfony#9084 Update web/ directory to public/ on bundle page (fefas)

This PR was merged into the 4.0 branch.

Discussion
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Update web/ directory to public/ on bundle page

Commits
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c45a758 Update web/ directory to public/ on bundle page

Author: javiereguiluz

bundles.rst

@@ -104,7 +104,7 @@ of the most common elements of a bundle:
 
 ``Resources/public/``
     Contains web assets (images, stylesheets, etc) and is copied or symbolically
-    linked into the project ``web/`` directory via the ``assets:install`` console
+    linked into the project ``public/`` directory via the ``assets:install`` console
     command.
 
 ``Tests/``