diff -r 0515206e36ed Modules/_ctypes/libffi_osx/powerpc/ppc-ffi_darwin.c
--- a/Modules/_ctypes/libffi_osx/powerpc/ppc-ffi_darwin.c	Mon Mar 14 16:36:31 2011 -0400
+++ b/Modules/_ctypes/libffi_osx/powerpc/ppc-ffi_darwin.c	Mon Mar 14 22:51:00 2011 +0100
@@ -650,7 +650,7 @@
 		  +---------------------------------------+ 160
 		  | result area 8                         |
 		  +---------------------------------------+ 168
-		  | alignement to the next multiple of 16 |
+		  | alignment to the next multiple of 16  |
 SP current -->    +---------------------------------------+ 176 <- parent frame
 		  | back chain to caller 4                |
 		  +---------------------------------------+ 180