Documentation: various minor fixes

... collected along the way.

Author: jrfnl

PHPCSUtils/Exceptions/TestTargetNotFound.php

@@ -25,9 +25,9 @@ final class TestTargetNotFound extends OutOfBoundsException
      *
      * @since 1.0.0
      *
-     * @param string $marker  The delimiter comment.
-     * @param string $content The (optional) target token content.
-     * @param string $file    The file in which the target token was not found.
+     * @param string      $marker  The delimiter comment.
+     * @param string|null $content The (optional) target token content.
+     * @param string      $file    The file in which the target token was not found.
      *
      * @return \PHPCSUtils\Exceptions\TestTargetNotFound
      */

PHPCSUtils/Utils/PassedParameters.php

@@ -56,7 +56,7 @@ final class PassedParameters
      * - If passed a `T_ANON_CLASS` stack pointer, it will accept it as a class instantiation.
      * - If passed a `T_SELF`, `T_STATIC` or `T_PARENT` stack pointer, it will accept it as a
      *   class instantiation function call when used like `new self()` (with or without parentheses).
-     *   When these hierarchiecal keywords are not preceded by the `new` keyword, parentheses
+     *   When these hierarchical keywords are not preceded by the `new` keyword, parentheses
      *   will be required for the token to be accepted.
      * - If passed a `T_ARRAY` or `T_OPEN_SHORT_ARRAY` stack pointer, it will detect
      *   whether the array has values or is empty.