update docs

Author: jiangcuo

README.md

@@ -57,7 +57,7 @@ Note: Features are inherited from Proxmox VE and extended for target architectur
 
 For installation instructions and documentation, please refer to:
 
-PXVIRT Documentation ([Simple Chinese only](https://docs.pxvirt.lierfang.com))
+PXVIRT Documentation (https://docs.pxvirt.lierfang.com)
 
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