[patch] semctl.2: ffix

[Akihiro Motoki <amotoki@xxxxxxxxx>]

diff --git a/man2/semctl.2 b/man2/semctl.2
index 504cdf9da..bea27aa37 100644
--- a/man2/semctl.2
+++ b/man2/semctl.2
@@ -378,7 +378,7 @@ the semaphore set.
 .TP
 .B SETVAL
 Set the semaphore value
-.BR ( semval )
+.RB ( semval )
 to
 .I arg.val
 for the