Add some pointers regarding worker processes deployment

Co-authored-by: Oskar Stark <oskarstark@googlemail.com>

Author: pgorod

scheduler.rst

@@ -978,7 +978,7 @@ When using the ``RedispatchMessage``, Symfony will attach a
 helping you identify those messages when needed.
 
 .. _`MakerBundle`: https://symfony.com/doc/current/bundles/SymfonyMakerBundle/index.html
-.. _`deploying to production`: https://symfony.com/doc/current/messenger.html#deploying-to-production
+.. _`Deploying to Production`: https://symfony.com/doc/current/messenger.html#deploying-to-production
 .. _`Memoizing`: https://en.wikipedia.org/wiki/Memoization
 .. _`cron command-line utility`: https://en.wikipedia.org/wiki/Cron
 .. _`crontab.guru website`: https://crontab.guru/