Englich grammar nit.
diff --git a/Doc/library/asyncio-task.rst b/Doc/library/asyncio-task.rst
index 316a694..db688f5 100644
--- a/Doc/library/asyncio-task.rst
+++ b/Doc/library/asyncio-task.rst
@@ -261,7 +261,7 @@
print(future.result())
loop.close()
-The coroutine function is responsible of the computation (which takes 1 second)
+The coroutine function is responsible for the computation (which takes 1 second)
and it stores the result into the future. The
:meth:`~BaseEventLoop.run_until_complete` method waits for the completion of
the future.