Fixing doc block (#42772)

Author: bvtterfly

src/Illuminate/Notifications/Messages/MailMessage.php

@@ -243,7 +243,7 @@ public function bcc($address, $name = null)
     /**
      * Attach a file to the message.
      *
-     * @param  string|\Illuminate\Contracts\Mail\Attachable|\Illuminate\Contracts\Mail\Attachable  $file
+     * @param  string|\Illuminate\Contracts\Mail\Attachable  $file
      * @param  array  $options
      * @return $this
      */

src/Illuminate/Testing/TestResponse.php

@@ -814,7 +814,7 @@ public function assertJsonMissingExact(array $data)
     /**
      * Assert that the response does not contain the given path.
      *
-     * @param  array  $data
+     * @param  string  $path
      * @return $this
      */
     public function assertJsonMissingPath(string $path)

src/Illuminate/Validation/Concerns/FormatsMessages.php

@@ -347,7 +347,7 @@ protected function replacePositionPlaceholder($message, $attribute)
      * @param  string  $message
      * @param  string  $attribute
      * @param  string  $placeholder
-     * @param  \Closure  $modifier
+     * @param  \Closure|null  $modifier
      * @return string
      */
     protected function replaceIndexOrPositionPlaceholder($message, $attribute, $placeholder, Closure $modifier = null)