5 files changed, 5 insertions, 5 deletions
diff --git a/man2/_syscall.2 b/man2/_syscall.2
index cb4e456acc..efb7e802d5 100644
--- a/man2/_syscall.2
+++ b/man2/_syscall.2
@@ -43,7 +43,7 @@ They have the form:
 where
 .IP
 .I X
-is 0\(en6, which are the number of arguments taken by the
+is 0\[en]6, which are the number of arguments taken by the
 system call
 .IP
 .I type
diff --git a/man2/mmap.2 b/man2/mmap.2
index 579a6e112e..9c3c229d57 100644
--- a/man2/mmap.2
+++ b/man2/mmap.2
@@ -1029,7 +1029,7 @@ The descriptions of the following files in
 and
 .IR /proc/[pid]/smaps .
 .PP
-B.O. Gallmeister, POSIX.4, O'Reilly, pp. 128\(en129 and 389\(en391.
+B.O. Gallmeister, POSIX.4, O'Reilly, pp. 128\[en]129 and 389\[en]391.
 .\"
 .\" Repeat after me: private read-only mappings are 100% equivalent to
 .\" shared read-only mappings. No ifs, buts, or maybes. -- Linus
diff --git a/man2/msync.2 b/man2/msync.2
index b4c339e6d9..e650f79888 100644
--- a/man2/msync.2
+++ b/man2/msync.2
@@ -135,4 +135,4 @@ in
 .SH SEE ALSO
 .BR mmap (2)
 .PP
-B.O. Gallmeister, POSIX.4, O'Reilly, pp. 128\(en129 and 389\(en391.
+B.O. Gallmeister, POSIX.4, O'Reilly, pp. 128\[en]129 and 389\[en]391.
diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
index e331d30062..9582a07c68 100644
--- a/man2/perf_event_open.2
+++ b/man2/perf_event_open.2
@@ -3615,7 +3615,7 @@ For example, the file
 .I event
 may contain the value
 .I config1:1,6\-10,44
-which indicates that event is an attribute that occupies bits 1,6\(en10, and 44
+which indicates that event is an attribute that occupies bits 1,6\[en]10, and 44
 of
 .IR perf_event_attr::config1 .
 .TP
diff --git a/man2/syslog.2 b/man2/syslog.2
index 1459ac0f93..09c086f181 100644
--- a/man2/syslog.2
+++ b/man2/syslog.2
@@ -246,7 +246,7 @@ and to 15 in case
 of a kernel fault (the 10 and 15 are just silly, and equivalent to 8).
 The value of
 .I console_loglevel
-can be set (to a value in the range 1\(en8) by a
+can be set (to a value in the range 1\[en]8) by a
 .BR syslog ()
 call with a
 .I type