README.md in trackler-2.2.1.54

- old
+ new

@@ -9,11 +9,11 @@
 A chessboard can be represented by an 8 by 8 array.
 
 So if you're told the white queen is at (2, 3) and the black queen at
 (5, 6), then you'd know you've got a set-up like so:
 
-```plain
+```text
 _ _ _ _ _ _ _ _
 _ _ _ _ _ _ _ _
 _ _ _ W _ _ _ _
 _ _ _ _ _ _ _ _
 _ _ _ _ _ _ _ _
@@ -24,15 +24,14 @@
 
 You'd also be able to answer whether the queens can attack each other.
 In this case, that answer would be yes, they can, because both pieces
 share a diagonal.
 
-### Submitting Exercises
+## Submitting Exercises
 
 Note that, when trying to submit an exercise, make sure the solution is in the `exercism/python/<exerciseName>` directory.
 
 For example, if you're submitting `bob.py` for the Bob exercise, the submit command would be something like `exercism submit <path_to_exercism_dir>/python/bob/bob.py`.
-
 
 For more detailed information about running tests, code style and linting,
 please see the [help page](http://exercism.io/languages/python).
 
 ## Source