Clarify isType method PHPDoc in MimeType class

Updated the PHPDoc for the isType method to clarify that it checks if the stored MIME type begins with the given prefix, improving documentation accuracy and developer understanding.

Author: JosephGabito

src/Files/ValueObjects/MimeType.php

@@ -170,14 +170,15 @@ public static function isValid(string $mimeType): bool
     }
 
     /**
-     * Checks if this MIME type has a specific MIME type.
+     * Checks if this MIME type is a specific type.
      *
-     * This method checks if the MIME type starts with the specified MIME type.
+     * This method returns true when the stored MIME type begins with the
+     * given prefix. For example, `"audio"` matches `"audio/mpeg"`.
      *
      * @since n.e.x.t
      *
-     * @param string $mimeType The MIME type to check.
-     * @return bool True if the MIME type has the specified MIME type.
+     * @param string $mimeType The MIME type prefix to check (e.g., "audio", "image").
+     * @return bool True if this MIME type is of the specified type.
      */
     public function isType(string $mimeType): bool
     {