Auto merge of #3715 - saghm:master, r=alexcrichton
authorbors <bors@rust-lang.org>
Fri, 17 Feb 2017 20:56:08 +0000 (20:56 +0000)
committerbors <bors@rust-lang.org>
Fri, 17 Feb 2017 20:56:08 +0000 (20:56 +0000)
Fix typo in code example


Trivial merge