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-rw-r--r--Documentation/serial/tty.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/serial/tty.txt b/Documentation/serial/tty.txt
index 7c900507279f..540db41dfd5d 100644
--- a/Documentation/serial/tty.txt
+++ b/Documentation/serial/tty.txt
@@ -107,7 +107,7 @@ write_wakeup() - May be called at any point between open and close.
dcd_change() - Report to the tty line the current DCD pin status
changes and the relative timestamp. The timestamp
- can be NULL.
+ cannot be NULL.
Driver Access