Fix typo on ExUnit

lucaspwbx · lucaspwbx · commit ea0226b3da85 · 2014-05-20T16:42:48.000-03:00
diff --git a/lib/ex_unit/lib/ex_unit/assertions.ex b/lib/ex_unit/lib/ex_unit/assertions.ex
@@ -34,7 +34,7 @@ defmodule ExUnit.Assertions do
   """
 
   @doc """
-  Asserts it's argument is true.
+  Asserts its argument is true.
 
   `assert` tries to be smart and provide good
   reporting whenever there is a failure. In particular, if
