README.md in trackler-2.2.1.7

- old
+ new

@@ -15,10 +15,10 @@
 Random names means a risk of collisions. Your solution must ensure that
 every existing robot has a unique name.
 
 ### Submitting Exercises
 
-Note that, when trying to submit an exercise, make sure you're exercise file you're submitting is in the `exercism/csharp/<exerciseName>` directory.
+Note that, when trying to submit an exercise, make sure the exercise file that you're submitting is in the `exercism/csharp/<exerciseName>` directory.
 
 For example, if you're submitting `bob.cs` for the Bob exercise, the submit command would be something like `exercism submit <path_to_exercism_dir>/csharp/bob/bob.cs`.
 ## Source
 
 A debugging session with Paul Blackwell at gSchool. [http://gschool.it](http://gschool.it)