README.md in trackler-2.2.1.100

- old
+ new

@@ -1,9 +1,9 @@
 # Diamond
 
-The diamond kata takes as its input a letter, and outputs it in a diamond 
-shape. Given a letter, it prints a diamond starting with 'A', with the 
+The diamond kata takes as its input a letter, and outputs it in a diamond
+shape. Given a letter, it prints a diamond starting with 'A', with the
 supplied letter at the widest point.
 
 ## Requirements
 
 * The first row contains one 'A'.
@@ -13,36 +13,36 @@
 * The diamond is horizontally symmetric.
 * The diamond is vertically symmetric.
 * The diamond has a square shape (width equals height).
 * The letters form a diamond shape.
 * The top half has the letters in ascending order.
-* The bottom half has the letters in descending order. 
+* The bottom half has the letters in descending order.
 * The four corners (containing the spaces) are triangles.
 
 ## Examples
 
 In the following examples, spaces are indicated by `·` characters.
 
 Diamond for letter 'A':
 
-```plain
+```text
 A
 ```
 
 Diamond for letter 'C':
 
-```plain
+```text
 ··A··
 ·B·B·
 C···C
 ·B·B·
 ··A··
 ```
 
 Diamond for letter 'E':
 
-```plain
+```text
 ····A····
 ···B·B···
 ··C···C··
 ·D·····D·
 E·······E
@@ -64,18 +64,16 @@
 
 If you would like color output, you can `require 'minitest/pride'` in
 the test file, or note the alternative instruction, below, for running
 the test file.
 
-In order to run the test, you can run the test file from the exercise
-directory. For example, if the test suite is called
-`hello_world_test.rb`, you can run the following command:
+Run the tests from the exercise directory using the following command:
 
-    ruby hello_world_test.rb
+    ruby diamond_test.rb
 
 To include color from the command line:
 
-    ruby -r minitest/pride hello_world_test.rb
+    ruby -r minitest/pride diamond_test.rb
 
 
 ## Source
 
 Seb Rose [http://claysnow.co.uk/recycling-tests-in-tdd/](http://claysnow.co.uk/recycling-tests-in-tdd/)