README.md in trackler-2.2.1.117

- old
+ new

@@ -28,10 +28,10 @@
 
 **Note:** As this exercise only deals with telephone numbers used in NANP-countries, only 1 is considered a valid country code.
 
 ## Running the tests
 
-To run the tests, run the command `busted .` from within the exercise directory.
+To run the tests, run the command `busted` from within the exercise directory.
 
 ## Further information
 
 For more detailed information about the Lua track, including how to get help if
 you're having trouble, please visit the exercism.io [Lua language page](http://exercism.io/languages/lua/about).