diff --git a/cmd/Kconfig b/cmd/Kconfig
index 62d2ae3..46600e5 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -27,17 +27,21 @@
 
 config HUSH_OLD_PARSER
 	bool "Use hush old parser"
+	default y
 	help
 	  This option enables the old flavor of hush based on hush Busybox from
 	  2005.
 
+	  It is actually the default U-Boot shell when decided to use hush as shell.
+
 config HUSH_MODERN_PARSER
 	bool "Use hush modern parser"
-	default y
 	help
 	  This option enables the new flavor of hush based on hush upstream
 	  Busybox.
 
+	  This parser is experimental and not well tested.
+
 config HUSH_SELECTABLE
 	bool
 	default y if HUSH_OLD_PARSER && HUSH_MODERN_PARSER