diff --git a/README.txt b/README.txt
index 1310d862cf..a0eeda21c4 100644
--- a/README.txt
+++ b/README.txt
@@ -11,7 +11,6 @@ implementation. It is not an introduction to the language itself.
 - Building Factor
 - Running Factor on Unix with X11
 - Running Factor on Mac OS X
-- Running Factor on Windows
 - Source organization
 - Community
 - Credits
@@ -163,6 +162,7 @@ Slava Pestov:       Lead developer
 Alex Chapman:       OpenGL binding
 Doug Coleman:       Mersenne Twister RNG, Windows port
 Eduardo Cavazos:    X11 binding
+Joshua Grams:       PowerPC instruction cache flush code
 Mackenzie Straight: Windows port
 Trent Buck:         Debian package
 
diff --git a/TODO.FACTOR.txt b/TODO.FACTOR.txt
index 0691aeb4d3..3f7f96057f 100644
--- a/TODO.FACTOR.txt
+++ b/TODO.FACTOR.txt
@@ -21,6 +21,7 @@
 
 + ui:
 
+- why is the thumb skewed?
 - add some handy services:
   - base conversion
   - search help for selection
diff --git a/license.txt b/license.txt
index a0d1c7298a..7229e7c12c 100644
--- a/license.txt
+++ b/license.txt
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003, 2006 Slava Pestov.
+ * Copyright (C) 2003, 2006 Slava Pestov and friends.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
diff --git a/vm/cpu-ppc.S b/vm/cpu-ppc.S
index 254426ea48..e6b1858098 100644
--- a/vm/cpu-ppc.S
+++ b/vm/cpu-ppc.S
@@ -4,9 +4,7 @@ On PowerPC processors, we must flush the instruction cache manually
 after writing to the code heap.
 
 Callable from C as
-void flush_icache(void *start, int len)
-
-This function is called from compiler.c. */
+void flush_icache(void *start, int len) */
 
 #ifdef __APPLE__
 	#define MANGLE(sym) _##sym
diff --git a/vm/cpu-x86.h b/vm/cpu-x86.h
index 3115d3f211..2c1f24f07c 100644
--- a/vm/cpu-x86.h
+++ b/vm/cpu-x86.h
@@ -1,4 +1,4 @@
-#define FACTOR_CPU_STRING "ppc"
+#define FACTOR_CPU_STRING "x86"
 
 register CELL ds asm("esi");
 register CELL rs asm("edi");
diff --git a/vm/os-macosx-ppc.h b/vm/os-macosx-ppc.h
index 6faf0c0de1..c3e5556d09 100644
--- a/vm/os-macosx-ppc.h
+++ b/vm/os-macosx-ppc.h
@@ -7,7 +7,7 @@
 #define SIGSEGV_STACK_POINTER(thr_state) (thr_state).r1
 #define SIGSEGV_PROGRAM_COUNTER(thr_state) (thr_state).srr0
 
-INLINE void fix_stack_ptr(unsigned long sp)
+INLINE unsigned long fix_stack_ptr(unsigned long sp)
 {
 	  return sp;
 }
diff --git a/vm/os-macosx-x86.h b/vm/os-macosx-x86.h
index 5257ca6452..98de91dc4f 100644
--- a/vm/os-macosx-x86.h
+++ b/vm/os-macosx-x86.h
@@ -7,7 +7,7 @@
 #define SIGSEGV_STACK_POINTER(thr_state) (thr_state).esp
 #define SIGSEGV_PROGRAM_COUNTER(thr_state) (thr_state).eip
 
-INLINE void fix_stack_ptr(unsigned long sp)
+INLINE unsigned long fix_stack_ptr(unsigned long sp)
 {
 	  if ((sp & 0xf) != 0) sp -= (sp & 0xf);
 	  sp -= 4;