Update README.md

Fixed Nightly tag

Author: TheRazerMD

README.md

@@ -14,7 +14,7 @@
 <div align="center">
   <a href="https://github.com/optiscaler/OptiScaler/releases"><img src="https://img.shields.io/github/downloads/optiscaler/optiscaler/total?style=for-the-badge&logo=gitextensions&logoSize=auto&label=Total" alt="Total DL"></a>
   <a href="https://github.com/optiscaler/OptiScaler/releases/latest"><img src="https://img.shields.io/github/downloads/optiscaler/optiscaler/latest/total?style=for-the-badge&logo=gitextensions&logoSize=auto&label=Stable&color=green&logoColor=white" alt="Stable DL"></a>
-  <a href="https://github.com/optiscaler/OptiScaler/releases/tag/nightly"><img src="https://img.shields.io/github/downloads-pre/optiscaler/optiscaler/latest/total?style=for-the-badge&logo=gitextensions&logoSize=auto&label=Nightly&color=purple&logoColor=white" alt="Nightly DL"></a>
+  <a href="https://github.com/optiscaler/OptiScaler/releases/tag/nightly"><img src="https://img.shields.io/github/downloads/optiscaler/OptiScaler/nightly/total?style=for-the-badge&logo=gitextensions&logoColor=white&logoSize=auto&label=Nightly&color=purple" alt="Nightly DL"></a>
   <a href="https://github.com/optiscaler/OptiScaler/stargazers"><img src="https://img.shields.io/github/stars/optiscaler/optiscaler?style=for-the-badge&logo=githubsponsors&logoColor=white&label=S.T.A.R.S." alt="Stars"></a>
 </div>