Update Web.php: Fixing syntax error (#21)

Author: ThomasLandauer

src/Lib/Interfaces/Web.php

@@ -517,9 +517,9 @@ public function dontSeeInField($field, $value): void;
      *      'checkbox1' => true,
      *      // ...
      * ];
-     * $I->submitForm('//form[@id=my-form]', string $form, 'submitButton');
+     * $I->submitForm('//form[@id=my-form]', $form, 'submitButton');
      * // $I->amOnPage('/path/to/form-page') may be needed
-     * $I->seeInFormFields('//form[@id=my-form]', string $form);
+     * $I->seeInFormFields('//form[@id=my-form]', $form);
      * ```
      */
     public function seeInFormFields($formSelector, array $params): void;