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-rw-r--r--kernel/sys.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index 3e332131000e..bce933ebb29f 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -386,7 +386,7 @@ void kernel_restart_prepare(char *cmd)
/**
* kernel_restart - reboot the system
* @cmd: pointer to buffer containing command to execute for restart
- * or NULL
+ * or %NULL
*
* Shutdown everything and perform a clean reboot.
* This is not safe to call in interrupt context.