diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h
index 3dfbf237cd8f32fc684e2934e7a8ace0da043b14..652fd64cab5e7509967b21650ea35efb9c322c1b 100644
--- a/include/linux/percpu-refcount.h
+++ b/include/linux/percpu-refcount.h
@@ -29,7 +29,7 @@
  * calls io_destroy() or the process exits.
  *
  * In the aio code, kill_ioctx() is called when we wish to destroy a kioctx; it
- * calls percpu_ref_kill(), then hlist_del_rcu() and sychronize_rcu() to remove
+ * calls percpu_ref_kill(), then hlist_del_rcu() and synchronize_rcu() to remove
  * the kioctx from the proccess's list of kioctxs - after that, there can't be
  * any new users of the kioctx (from lookup_ioctx()) and it's then safe to drop
  * the initial ref with percpu_ref_put().
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 424ff622ab5f8e77dc69c7b54b98bdaafa350329..10443377fb9d8f5b5cb928647fa58c03001a072b 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -83,7 +83,7 @@ static int rds_release(struct socket *sock)
 
 	/*
 	 * the binding lookup hash uses rcu, we need to
-	 * make sure we sychronize_rcu before we free our
+	 * make sure we synchronize_rcu before we free our
 	 * entry
 	 */
 	rds_remove_bound(rs);