README.md in trackler-2.2.1.117

- old
+ new

@@ -15,10 +15,10 @@
 callbacks.  Call a cell’s callbacks when the cell’s value in a new stable
 state has changed from the previous stable state.
 
 ## 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).