message: Fix a typo on README.md
diff: @@ -286,7 +286,7 @@ switch (result.result)
  case vk::Result::eTimeout:
  case vk::Result::eNotReady:
  case vk::Result::eSuboptimalKHR:
  - // do something meaningfull
  + // do something meaningful
  break;
  default:
  // should not happen, as other return codes are considered to be an error and throw an exception
  