Update README.md

README.md

@@ -37,7 +37,7 @@ Then you can use the `lt check` command to check labs.
 
 If you haven't already, add the path to labtool:
 ```
-$ echo "PATH=\$PATH:~cs206/bin:~cs206/bin/lt" >> ~/.bashrc
+$ echo "PATH=\$PATH:~cs206/bin" >> ~/.bashrc
 $ source ~/.bashrc
 ```