Update README.md

README.md

@@ -34,7 +34,7 @@ Run fstrider and start striding:
 fstrider
 ```
 
-In the xonsh shell you can load xontrib with `s` alias that works fast and allows to change directory using fstrider:
+In the xonsh shell you can load xontrib with `fs` alias that works fast and allows to change directory using fstrider:
 ```xsh
 xontrib load fstrider
 fs      # or fstrider