man: minor manual edits
diff --git a/man/man3/ioproc.3 b/man/man3/ioproc.3
index c0fd414..865a988 100644
--- a/man/man3/ioproc.3
+++ b/man/man3/ioproc.3
@@ -154,12 +154,12 @@
 }
 .EE
 .LP
-If the two
+The two
 .I relaythread
-instances were running in different procs, the
+instances are running in the same proc, so the
 common access to
 .I tot
-would be unsafe.
+is safe.
 .PP
 Implement
 .IR ioread :