diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index 83211013deb8..e94031731a47 100644
--- a/drivers/serial/mux.c
+++ b/drivers/serial/mux.c
@@ -582,7 +582,7 @@ static struct parisc_driver serial_mux_driver = {
 };
 
 /**
- * mux_init - Serial MUX initalization procedure.
+ * mux_init - Serial MUX initialization procedure.
  *
  * Register the Serial MUX driver.
  */