--- a/Doc/lib/libthread.tex	Tue Apr 09 18:12:58 2002 +0000
+++ b/Doc/lib/libthread.tex	Tue Apr 09 18:15:00 2002 +0000
@@ -82,8 +82,8 @@
 value: if it is zero, the lock is only acquired if it can be acquired
 immediately without waiting, while if it is nonzero, the lock is
 acquired unconditionally as before.  If an argument is present, the
-return value is \code{1} if the lock is acquired successfully,
-\code{0} if not.
+return value is \code{True} if the lock is acquired successfully,
+\code{False} if not.
 \end{methoddesc}
 
 \begin{methoddesc}[lock]{release}{}
@@ -92,8 +92,8 @@
 \end{methoddesc}
 
 \begin{methoddesc}[lock]{locked}{}
-Return the status of the lock:\ \code{1} if it has been acquired by
-some thread, \code{0} if not.
+Return the status of the lock:\ \code{True} if it has been acquired by
+some thread, \code{False} if not.
 \end{methoddesc}
 
 \strong{Caveats:}