diff --git a/pep-3148.txt b/pep-3148.txt
index bff19c16d..4153e0819 100644
--- a/pep-3148.txt
+++ b/pep-3148.txt
@@ -244,7 +244,7 @@ following constants:
 Returns an iterator over the Future instances given by *fs* that yields futures
 as they complete (finished or were cancelled). Any futures that completed
 before `as_completed()` was called will be yielded first. The returned iterator
-raises a `TimeoutError` if `__next__()` is called and the result isnŐt available
+raises a `TimeoutError` if `__next__()` is called and the result isn't available
 after *timeout* seconds from the original call to `as_completed()`. If
 *timeout* is not specified or `None` then there is no limit to the wait time.