diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index 776941c75672..96b574c0e44a 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -747,12 +747,13 @@ config CPM2
 	  on it (826x, 827x, 8560).
 
 config PPC_CHRP
+	bool "  Common Hardware Reference Platform (CHRP) based machines"
 	bool
 	depends on PPC_MULTIPLATFORM
 	default y
 
 config PPC_PMAC
-	bool
+	bool "  Apple PowerMac based machines"
 	depends on PPC_MULTIPLATFORM
 	default y
 
@@ -762,6 +763,7 @@ config PPC_PMAC64
 	default y
 
 config PPC_PREP
+	bool "  PowerPC Reference Platform (PREP) based machines"
 	bool
 	depends on PPC_MULTIPLATFORM
 	default y