Merge pull request #106 from altendky/correct_example_assertion

Author: pquentin

docs/source/quickstart.rst

@@ -134,7 +134,7 @@ something will happen::
        start_time = trio.current_time()
        await trio.sleep(1)
        end_time = trio.current_time()
-       assert start_time - end_time == 1
+       assert end_time - start_time == 1
 
 In the version of this test we saw before that used real time, at the
 end we had to use a ``>=`` comparison, in order to account for