Mostly path name updates
diff --git a/man/man3/mach.3 b/man/man3/mach.3
index 62807e8..3891852 100644
--- a/man/man3/mach.3
+++ b/man/man3/mach.3
@@ -74,7 +74,7 @@
 .I Mach-symbol (3)
 describes the interface to debugging symbol information.
 .SH SOURCE
-.B /sys/src/libmach
+.B /usr/local/plan9/src/libmach
 .SH "SEE ALSO
 .IR mach-file (3),
 .IR mach-map (3),