diff --git a/arch/arm/src/kinetis/Kconfig b/arch/arm/src/kinetis/Kconfig
index 03e18e2815..443020bd89 100644
--- a/arch/arm/src/kinetis/Kconfig
+++ b/arch/arm/src/kinetis/Kconfig
@@ -1305,7 +1305,7 @@ config KINETIS_UART_BREAKS
 		break.
 
 config KINETIS_UART_EXTEDED_BREAK
-	bool  "Selects a longer transmitted break character length"
+	bool "Selects a longer transmitted break character length"
 	depends on KINETIS_UART_BREAKS
 	default n
 	---help---