diff --git a/[refs] b/[refs]
index cb945079c438..95c09c88f858 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f2d5c74d778fc59a46f8e173cf986e7320e15e50
+refs/heads/master: dab175f393cdf30fbaec5978682a49dc3c890b2f
diff --git a/trunk/arch/i386/Kconfig.debug b/trunk/arch/i386/Kconfig.debug
index bfb2064f7104..5228c40a6fb2 100644
--- a/trunk/arch/i386/Kconfig.debug
+++ b/trunk/arch/i386/Kconfig.debug
@@ -18,6 +18,9 @@ config EARLY_PRINTK
 config DEBUG_STACKOVERFLOW
 	bool "Check for stack overflows"
 	depends on DEBUG_KERNEL
+	help
+	  This option will cause messages to be printed if free stack space
+	  drops below a certain limit.
 
 config KPROBES
 	bool "Kprobes"