Update README.md

Author: xwings

README.md

@@ -219,7 +219,7 @@ Contact us at email [email protected], or via Twitter [@qiling_io](https://twitter.
 
 #### Core developers, Key Contributors and etc
 
-Please refer to [CREDITS.md](https://github.com/qilingframework/qiling/blob/master/CREDITS.md)
+Please refer to [CREDITS.md](https://github.com/qilingframework/qiling/blob/dev/CREDITS.md)
 
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