Fix spelling mistake.

No functional change.

Signed-off-by: Ignacio Pena <ignacio.pena87@gmail.com>
---
 drivers/tty/pty.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 8bb1a01fe..54b8f6416 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -277,7 +277,7 @@ static void pty_set_termios(struct tty_struct *tty,
  *	@ws: window size being set.
  *
  *	Update the termios variables and send the necessary signals to
- *	peform a terminal resize correctly
+ *	perform a terminal resize correctly
  */
 
 static int pty_resize(struct tty_struct *tty,  struct winsize *ws)
-- 
2.50.1