Update README.md

Author: player-alex

README.md

@@ -10,7 +10,7 @@
 
 **A modern WPF application for managing Dokan file system mirrors with an intuitive user interface** 🚀
 
-[Features](#-features) • [Installation](#-installation) • [Usage](#-usage) • [Building](##-building-from-source)
+[Features](#-features) • [Installation](#-installation) • [Usage](#-usage) • [Building](#building-from-source)
 
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