Update README.md

README.md

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 Unreal.js is a plug-in which brings V8-powered Javascript into UnrealEngine4. 
 
 - [Link to Demo project](https://github.com/ncsoft/Unreal.js-demo)
-- [Link to the Unreal Engine Marketplace](https://www.unrealengine.com/marketplace/unrealjs) (4.11 ~ 4.23)
+- [Link to the Unreal Engine Marketplace](https://www.unrealengine.com/marketplace/unrealjs) (4.11 ~ 4.24)
 - [Update notes](https://github.com/ncsoft/Unreal.js/wiki/Update-notes)
 - [Link to NDC 2017 presentation (KR)](https://www.slideshare.net/crocuis/unrealjs-ue4-75499471)
 - [Link to NDC 2017 presentation Video (KR)](http://ndc.vod.nexoncdn.co.kr/NDC2017/videos/NDC2017_0114.mp4)