diff --git a/[refs] b/[refs]
index 901b073c8235..7c11a949ba8e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1e78042c77dcc255abd456398981549269c63238
+refs/heads/master: 2fb6cb41ecb315b1d84849663bb2793cdc41a96d
diff --git a/trunk/arch/blackfin/Kconfig b/trunk/arch/blackfin/Kconfig
index eba22c219820..795d0ac67c21 100644
--- a/trunk/arch/blackfin/Kconfig
+++ b/trunk/arch/blackfin/Kconfig
@@ -289,7 +289,7 @@ config BOOT_LOAD
 comment "Clock/PLL Setup"
 
 config CLKIN_HZ
-	int "Crystal Frequency in Hz"
+	int "Frequency of the crystal on the board in Hz"
 	default "11059200" if BFIN533_STAMP
 	default "27000000" if BFIN533_EZKIT
 	default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS)
@@ -298,6 +298,8 @@ config CLKIN_HZ
 	default "10000000" if BFIN532_IP0X
 	help
 	  The frequency of CLKIN crystal oscillator on the board in Hz.
+	  Warning: This value should match the crystal on the board. Otherwise,
+	  peripherals won't work properly.
 
 config BFIN_KERNEL_CLOCK
 	bool "Re-program Clocks while Kernel boots?"