Update README.md

README.md

@@ -172,7 +172,7 @@ language:
 The code for XEUS is still in progress of being merged into the main ESPnet repo. It can instead be used from the following fork:
 
 ```
-pip install -e git+git://github.com/wanchichen/espnet.git@ssl
+pip install 'espnet @ git+https://github.com/wanchichen/espnet.git@ssl'
 ```
 
 ```