Update components/process.rst

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

Author: Toflar

components/process.rst

@@ -422,7 +422,7 @@ When you start a PHP process, it's started using its default ``ini`` settings. L
 the Symfony console without any memory limit. You can then dynamically override it using the ``-d`` command line option
 like so: ``php -d memory_limit=-1 bin/console app:my-command``.
 
-Problem solved. However, let's assume you have an ``app:my-command`` that itself again, starts a PHP child process:
+Problem solved. However, let's assume you have an ``app:my-command`` that itself again, starts a PHP child process::
 
     use Symfony\Component\Process\Process;