README.md in cryptum-0.0.321 vs README.md in cryptum-0.0.322

@@ -49,10 +49,10 @@
 ```
 $ rvm use ruby-<VERSION>@cryptum
 $ cryptum --help
 $ cryptum --symbol btc-usd \
           --autotrade \
-          --repo-root ~/cryptum
+          --session-root ~/cryptum
 ```
 
 From an error monitoring perspective, they can be monitored via:
 ```
 tail -f /tmp/cryptum-errors.txt