diff --git a/pep-3156.txt b/pep-3156.txt
index b410e1776..6cfc62c21 100644
--- a/pep-3156.txt
+++ b/pep-3156.txt
@@ -128,7 +128,7 @@ choice (the standard implementation always returns coroutines).  All
 event loop methods documented as accepting coroutine arguments *must*
 accept both Futures and coroutines for such arguments.  (A convenience
 function, ``async()``, exists to convert an argument that is either a
-conroutine or a Future into a Future.)
+coroutine or a Future into a Future.)
 
 For users (like myself) who don't like using callbacks, a scheduler is
 provided for writing asynchronous I/O code as coroutines using the PEP