diff -r 87802cb25a0f -r 2789bdd1a950 arch/powerpc/config.in
--- a/arch/powerpc/config.in	Fri Jun 27 13:58:53 2008 +0000
+++ b/arch/powerpc/config.in	Fri Jun 27 14:55:22 2008 +0000
@@ -1,3 +1,6 @@
 # powerpc specific configuration file
 
 config ARCH_powerpc
+    help
+      The PowerPC architecture, as defined by:
+        http://www.ibm.com/developerworks/eserver/articles/archguide.html