diff --git a/man3/pthread_cancel.3 b/man3/pthread_cancel.3
index 12298c6c4..6317ede0d 100644
--- a/man3/pthread_cancel.3
+++ b/man3/pthread_cancel.3
@@ -73,7 +73,7 @@ Deferred cancelability means that cancellation will be delayed until
 the thread next calls a function that is a
 .IR "cancellation point" .
 A list of functions that are or may be cancellation points is provided in
-.IR pthreads (7).
+.BR pthreads (7).
 
 When a cancellation requested is acted on, the following steps occur for
 .IR thread
diff --git a/man3/string.3 b/man3/string.3
index 0f33e2cac..158c0fa56 100644
--- a/man3/string.3
+++ b/man3/string.3
@@ -120,7 +120,7 @@ which does not contain any of bytes in the string
 Return a duplicate of the string
 .I s
 in memory allocated using
-.IR malloc (3).
+.BR malloc (3).
 .TP
 .BI "char *strfry(char *" string );
 Randomly swap the characters in
diff --git a/man7/cpuset.7 b/man7/cpuset.7
index c16a72d0a..620a79db9 100644
--- a/man7/cpuset.7
+++ b/man7/cpuset.7
@@ -785,7 +785,7 @@ balancing works to ensure that as many CPUs as possible are usefully
 employed running tasks.
 The kernel also performs periodic load
 balancing off the software clock described in
-.IR time (7).
+.BR time (7).
 The setting of
 .I sched_relax_domain_level
 applies only to immediate load balancing.
diff --git a/man7/tcp.7 b/man7/tcp.7
index fc84ec7d6..0b8bf57ae 100644
--- a/man7/tcp.7
+++ b/man7/tcp.7
@@ -1087,7 +1087,7 @@ It can be changed via
 .IR /proc/sys/net/ipv4/tcp_stdurg .
 
 It is possible to peek at out-of-band data using the
-.IR recv (2)
+.BR recv (2)
 .B MSG_PEEK
 flag.