There is a language error, it is better to fix it.

Signed-off-by: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
---
 include/linux/sched.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0a56c9b4467c..4f26021f3b66 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -73,7 +73,7 @@ struct task_group;
  * encoded in fs/proc/array.c: get_task_state().
  *
  * We have two separate sets of flags: task->state
- * is about runnability, while task->exit_state are
+ * is about runnability, while task->exit_state is
  * about the task exiting. Confusing, but this way
  * modifying one set can't modify the other one by
  * mistake.
-- 
2.17.1