Fixes a newline and copypaste error in directory check (#118)

Found while working through the tutorial while completing an interview project!

_browser/todo-list.md

@@ -91,9 +91,11 @@ The example application runs in a node server on your local host. In the this se
 1. Make sure you are in the root of the code base.
 
    ```bash
-    $ pwd /Users/moxiegirl/repos/blockstack-todos
-    Start the application.
+    $ pwd 
+    /Users/moxiegirl/repos/blockstack-todos
    ```
+   
+   This path will be different for you, but double-check the last part to ensure that you're in the directory into which you cloned and in which you ran `npm install`.
 
 2. Start the application.