diff --git a/src/Kconfig b/src/Kconfig
index e6a12b51f2..083553ffa0 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -29,6 +29,14 @@ mainmenu "Coreboot Configuration"
 
 menu "General setup"
 
+config EXPERT
+	bool "Expert mode"
+	help
+	  This allows you to select certain advanced configuration options.
+
+	  Warning: Only enable this option if you really know what you are
+	  doing! You have been warned!
+
 config LOCALVERSION
 	string "Local version string"
 	help
diff --git a/src/cpu/Kconfig b/src/cpu/Kconfig
index 4240560bff..8f51a4f328 100644
--- a/src/cpu/Kconfig
+++ b/src/cpu/Kconfig
@@ -29,6 +29,9 @@ config SMP
 	bool
 	default y if MAX_CPUS != 1
 	default n
+	help
+	  This option is used to enable certain functions to make coreboot
+	  work correctly on symmetric multi processor (SMP) systems.
 
 # Set MMX and SSE in socket or model if the CPU has them.
 # If all CPUs for the socket have MMX or SSE, set them there.