Apply suggestions from code review

Co-authored-by: Wouter de Jong <wouterj@users.noreply.github.com>

Author: 2 people

console.rst

@@ -565,11 +565,11 @@ call ``setAutoExit(false)`` on it to get the command result in ``CommandTester``
 
 .. caution::
 
-    When testing ``InputOption::VALUE_NONE`` command options, you must pass a non
-    empty value to them::
+    When testing ``InputOption::VALUE_NONE`` command options, you must pass ``true``
+    to them::
 
         $commandTester = new CommandTester($command);
-        $commandTester->execute(['--some-option' => 'true']);
+        $commandTester->execute(['--some-option' => true]);
 
 .. note::