Fix typo in changelog (#72)
diff --git a/CHANGES.rst b/CHANGES.rst
index 879cfa1..1f9db94 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -67,7 +67,7 @@
- Removed the deprecated "futures" top level package
- Applied patch for issue 11777 (Executor.map does not submit futures until
iter.next() is called)
-- Applied patch for issue 15015 (accessing an non-existing attribute)
+- Applied patch for issue 15015 (accessing a non-existing attribute)
- Applied patch for issue 16284 (memory leak)
- Applied patch for issue 20367 (behavior of concurrent.futures.as_completed()
for duplicate arguments)
