Wording.

diff --git a/doc/tour.texi b/doc/tour.texi
index aed36fec51cb647ae04db47fa03c59555c17e882..195238597b03a84805ecba4c979cf50846c69bd0 100644 (file)
--- a/doc/tour.texi
+++ b/doc/tour.texi
@@ -468,13 +468,13 @@ Before any of these functions call @func{schedule}, they disable
 interrupts (or ensure that they are already disabled) and then change
 the running thread's state to something other than running.
 
 interrupts (or ensure that they are already disabled) and then change
 the running thread's state to something other than running.
 

-The actual @func{schedule} implementation is simple.  It records the
+@func{schedule} is simple but tricky.  It records the

 current thread in local variable @var{cur}, determines the next thread
 to run as local variable @var{next} (by calling
 @func{next_thread_to_run}), and then calls @func{switch_threads} to do
 the actual thread switch.  The thread we switched to was also running
 inside @func{switch_threads}, as are all the threads not currently
 current thread in local variable @var{cur}, determines the next thread
 to run as local variable @var{next} (by calling
 @func{next_thread_to_run}), and then calls @func{switch_threads} to do
 the actual thread switch.  The thread we switched to was also running
 inside @func{switch_threads}, as are all the threads not currently

-running in Pintos, so the new thread now returns out of
+running, so the new thread now returns out of

 @func{switch_threads}, returning the previously running thread.
 
 @func{switch_threads} is an assembly language routine in
 @func{switch_threads}, returning the previously running thread.
 
 @func{switch_threads} is an assembly language routine in