minor symfony#21052 Fix typo in documentation: changed "controller" to "number" method (deekumar24)

This PR was submitted for the 7.3 branch but it was merged into the 6.4 branch instead.

Discussion
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Fix typo in documentation: changed "controller" to "number" method

Updated the line that incorrectly instructed to create a "controller" method.  Replaced it with "number" method to align with the actual example context.

Original:
To do that, create a "Controller" class and a "controller" method inside of it:

Updated:
To do that, create a "Controller" class and a "number" method inside of it:

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Commits
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56283ea Fix typo in documentation: changed "controller" to "number" method

Author: javiereguiluz

page_creation.rst

@@ -36,7 +36,7 @@ Creating a Page: Route and Controller
 
 Suppose you want to create a page - ``/lucky/number`` - that generates a lucky (well,
 random) number and prints it. To do that, create a "Controller" class and a
-"controller" method inside of it::
+"number" method inside of it::
 
     <?php
     // src/Controller/LuckyController.php