nits

README

@@ -4,14 +4,14 @@ but is implemented for a modern x86-based multiprocessor using ANSI C.
 
 ACKNOWLEDGEMENTS
 
-xv6 is inspired by John Lions' Commentary on UNIX 6th Edition (Peer
+xv6 is inspired by John Lions's Commentary on UNIX 6th Edition (Peer
 to Peer Communications; ISBN: 1-57398-013-7; 1st edition (June 14,
 2000)). See also http://pdos.csail.mit.edu/6.828/2007/v6.html, which
 provides pointers to on-line resources for v6.
 
 xv6 borrows code from the following sources:
     JOS (asm.h, elf.h, mmu.h, bootasm.S, ide.c, console.c, and others)
-    Plan 9 (bootother.S, mp.h, mp.c, ioapic.h, lapic.c)
+    Plan 9 (bootother.S, mp.h, mp.c, lapic.c)
     FreeBSD (ioapic.c)
     NetBSD (console.c)
 
@@ -37,8 +37,8 @@ need to install a cross-compiler gcc suite capable of producing x86 ELF
 binaries.  See http://pdos.csail.mit.edu/6.828/2007/tools.html.
 Then run "make TOOLPREFIX=i386-jos-elf-".
 
-To run xv6, you can use Bochs or QEMU, both PC simulators.  Bochs makes
-debugging easier, but QEMU is much faster. 
+To run xv6, you can use Bochs or QEMU, both PC simulators.
+Bochs makes debugging easier, but QEMU is much faster. 
 To run in Bochs, run "make bochs" and then type "c" at the bochs prompt.
 To run in QEMU, run "make qemu".  Both log the xv6 screen output to 
 standard output.