Still more typo fixes

Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
index 8a60f39..6e780db 100644
--- a/drivers/pci/hotplug/Kconfig
+++ b/drivers/pci/hotplug/Kconfig
@@ -157,7 +157,7 @@
 	tristate "RPA PCI Hotplug driver"
 	depends on HOTPLUG_PCI && PPC_PSERIES && PPC64 && !HOTPLUG_PCI_FAKE
 	help
-	  Say Y here if you have a a RPA system that supports PCI Hotplug.
+	  Say Y here if you have a RPA system that supports PCI Hotplug.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called rpaphp.