README.md in trackler-2.2.1.104

- old
+ new

@@ -13,11 +13,10 @@
 
 Write code that shows:
 - how many grains were on each square, and
 - the total number of grains
 
-
 ## For bonus points
 
 Did you get the tests passing and the code clean? If you want to, these
 are some additional things you could try:
 
@@ -25,19 +24,25 @@
 - Optimize for readability.
 
 Then please share your thoughts in a comment on the submission. Did this
 experiment make the code better? Worse? Did you learn anything from it?
 
-## Making the Test Suite Pass
 
-1. Get [PHPUnit].
+## Running the tests
 
+1. Go to the root of your PHP exercise directory, which is `<EXERCISM_WORKSPACE>/php`.
+   To find the Exercism workspace run
+
+        % exercism debug | grep Workspace
+
+1. Get [PHPUnit] if you don't have it already.
+
         % wget --no-check-certificate https://phar.phpunit.de/phpunit.phar
         % chmod +x phpunit.phar
 
-2. Execute the tests for an assignment.
+2. Execute the tests:
 
-        % phpunit.phar wordy/wordy_test.php
+        % ./phpunit.phar grains/grains_test.php
 
 [PHPUnit]: http://phpunit.de
 
 
 ## Source