diff --git a/board/netstal/hcu5/README.txt b/board/netstal/hcu5/README.txt
index 0be5192..c5737d0 100644
--- a/board/netstal/hcu5/README.txt
+++ b/board/netstal/hcu5/README.txt
@@ -83,11 +83,11 @@
 Startup sequence
 ----------------
 
-(arch/ppc/cpu/ppc4xx/resetvec.S)
+(arch/powerpc/cpu/ppc4xx/resetvec.S)
 depending on configs option
 call _start_440 _start_pci oder _start
 
-(arch/ppc/cpu/ppc4xx/start.S)
+(arch/powerpc/cpu/ppc4xx/start.S)
 
 _start_440:
 	initialize register like
@@ -109,7 +109,7 @@
 	call cpu_init_f	/* run low-level CPU init code	   (from Flash) */
 
     call cpu_init_f
-    board_init_f: (arch/ppc/lib\board.c)
+    board_init_f: (arch/powerpc/lib\board.c)
 	init_sequence defines a list of function to be called
 	    board_early_init_f: (board/netstal/hcu5/hcu5.c)
 		We are using Bootstrap-Option A
@@ -136,18 +136,18 @@
 	 *  - board info struct
 	Save local variables to board info struct
 	call relocate_code() does not return
-	relocate_code: (arch/ppc/cpu/ppc4xx/start.S)
+	relocate_code: (arch/powerpc/cpu/ppc4xx/start.S)
 -------------------------------------------------------
 From now on our copy is in RAM and we will run from there,
 	starting with board_init_r
 -------------------------------------------------------
-    board_init_r: (arch/ppc/lib\board.c)
+    board_init_r: (arch/powerpc/lib\board.c)
 	setup bd function pointers
 	trap_init
 	flash_init: (board/netstal/hcu5/flash.c)
 		/* setup for u-boot erase, update */
 	setup bd flash info
-	cpu_init_r: (arch/ppc/cpu/ppc4xx/cpu_init.c)
+	cpu_init_r: (arch/powerpc/cpu/ppc4xx/cpu_init.c)
 	    peripheral chip select in using defines like
 	    CONFIG_SYS_EBC_PB0A, CONFIG_SYS_EBC_PB0C from hcu5.h
 	mem_malloc_init
@@ -161,8 +161,8 @@
 Most of the HW specific code for the HCU5 may be found in
 include/configs/hcu5.h
 board/netstal/hcu5/*
-arch/ppc/cpu/ppc4xx/*
-arch/ppc/lib/*
+arch/powerpc/cpu/ppc4xx/*
+arch/powerpc/lib/*
 include/ppc440.h
 
 Drivers for serial etc are found under drivers/