Update README.md

README.md

@@ -21,7 +21,7 @@ YTVimeoExtractor extracts the MP4 streams of Vimeo videos, which then can be use
 | `YTVimeoExtractor`  |   The `YTVimeoExtractor` is the main class and its sole purpose is to fetch information about Vimeo videos. Use the two main methods `fetchVideoWithIdentifier:withReferer:completionHandler:` or `fetchVideoWithVimeoURL:withReferer:completionHandler:` to obtain video information.  |
 | `YTVimeoExtractorOperation`  |   `YTVimeoExtractorOperation` is a subclass of `NSOperation` and is used to fetch and parse out information about Vimeo videos. This a low level class. Generally speaking, you should use the higher level `YTVimeoExtractor` class.   |
 |`YTVimeoURLParser`			    |	`YTVimeoURLParser` is used to validate and parse put Vimeo URLs. The main purpose of the class is to check if a given URL can be handled by the `YTVimeoExtractor` class.|
-|`YTVimeoVideo`|  	`YTVimeoVideo` represents a Vimeo video. Use this class to access information about a particular video. Generally, you should not initialize this class, instead use the two main methods of the `YTVimeoExtractor` class.|
+|`YTVimeoVideo`|  	`YTVimeoVideo` represents a Vimeo video. Use this class to access information about a particular video.  Do not manually initialize a `YTVimeoVideo` object. Using the `-init` method will throw an exception, instead use the two main methods of the `YTVimeoExtractor` class to obtain a `YTVimeoVideo` object. |
 
 ## Installation