explaining what to_a does in general and what it does with respect to the tutorial

boddhisattva · boddhisattva · commit 1a1d615afaef · 2014-03-05T03:30:43.000+05:30
diff --git a/ruby/lesson2/tutorial.md b/ruby/lesson2/tutorial.md
@@ -45,7 +45,7 @@ To get all the numbers from 1 up to 5, excluding 5.
 (1...5).to_a
 ```
 
-> `to_a` converts a range to an array
+> `to_a` returns an array representation of an object. In the above case, it converts a range to an array
 
 ### `Random.rand()`
 
