Mostly path name updates
diff --git a/man/man3/prime.3 b/man/man3/prime.3
index db22e5b..9a59573 100644
--- a/man/man3/prime.3
+++ b/man/man3/prime.3
@@ -91,7 +91,7 @@
 can later confirm the computation.  Be patient; this is a
 slow algorithm.
 .SH SOURCE
-.B /sys/src/libsec
+.B /usr/local/plan9/src/libsec
 .SH SEE ALSO
 .IR aes (3)
 .IR blowfish (3),