diff --git a/man1/time.1 b/man1/time.1
index 9b35883e0..7186d9f68 100644
--- a/man1/time.1
+++ b/man1/time.1
@@ -204,7 +204,7 @@ in the environment variable TIME.
 Use the portable output format.
 .TP
 .BI "\-o " FILE ", \-\-output=" FILE
-Do not send the results to stderr, but overwrite the specified file.
+Do not send the results to \fIstderr\fp, but overwrite the specified file.
 .TP
 .B "\-a, \-\-append"
 (Used together with \-o.) Do not overwrite but append.
diff --git a/man3/gethostbyname.3 b/man3/gethostbyname.3
index 7ec96331c..edf114e0f 100644
--- a/man3/gethostbyname.3
+++ b/man3/gethostbyname.3
@@ -147,7 +147,7 @@ server queries.
 The (obsolete)
 .BR herror ()
 function prints the error message associated
-with the current value of \fIh_errno\fP on stderr.
+with the current value of \fIh_errno\fP on \fIstderr\fp.
 .PP
 The (obsolete)
 .BR hstrerror ()
diff --git a/man3/getopt.3 b/man3/getopt.3
index f623a10a4..ba5b8f5d3 100644
--- a/man3/getopt.3
+++ b/man3/getopt.3
@@ -145,7 +145,7 @@ of the scanning mode.
 If
 .BR getopt ()
 does not recognize an option character, it prints an
-error message to stderr, stores the character in \fIoptopt\fP, and
+error message to \fIstderr\fp, stores the character in \fIoptopt\fP, and
 returns '?'.
 The calling program may prevent the error message by
 setting \fIopterr\fP to 0.
diff --git a/man3/getwchar.3 b/man3/getwchar.3
index f9d64376f..eaf58a8f0 100644
--- a/man3/getwchar.3
+++ b/man3/getwchar.3
@@ -27,7 +27,7 @@ The
 function is the wide-character equivalent of the
 .BR getchar (3)
 function.
-It reads a wide character from \fBstdin\fP and returns
+It reads a wide character from \fIstdin\fP and returns
 it.
 If the end of stream is reached, or if \fIferror(stdin)\fP becomes
 true, it returns WEOF.
diff --git a/man3/login.3 b/man3/login.3
index ee4b11dd6..9a0779de1 100644
--- a/man3/login.3
+++ b/man3/login.3
@@ -61,7 +61,8 @@ and fills the field
 (if there is such a field) with the process ID of the calling process.
 Then it tries to fill the field
 .IR ut->ut_line .
-It takes the first of stdin, stdout, stderr that is a tty, and
+It takes the first of \fIstdin\fP, \fIstdout\fP, \fIstderr\fP
+that is a tty, and
 stores the corresponding pathname minus a possible leading \fI/dev/\fP
 into this field, and then writes the struct to the utmp file.
 On the other hand, if no tty name was found, this field is filled with "???"
diff --git a/man3/malloc.3 b/man3/malloc.3
index 3d4a1932e..86d79afdc 100644
--- a/man3/malloc.3
+++ b/man3/malloc.3
@@ -164,7 +164,7 @@ memory leaks can result.
 If
 .BR MALLOC_CHECK_
 is set to 0, any detected heap corruption is silently ignored;
-if set to 1, a diagnostic is printed on stderr;
+if set to 1, a diagnostic is printed on \fIstderr\fp;
 if set to 2,
 .BR abort (3)
 is called immediately.
diff --git a/man3/putwchar.3 b/man3/putwchar.3
index 963752356..f5720740c 100644
--- a/man3/putwchar.3
+++ b/man3/putwchar.3
@@ -27,7 +27,7 @@ The
 function is the wide-character equivalent of the
 .BR putchar (3)
 function.
-It writes the wide character \fIwc\fP to \fBstdout\fP.
+It writes the wide character \fIwc\fP to \fIstdout\fP.
 If \fIferror(stdout)\fP becomes true, it returns WEOF.
 If a wide character
 conversion error occurs, it sets \fIerrno\fP to \fBEILSEQ\fP and returns WEOF.
diff --git a/man3/setbuf.3 b/man3/setbuf.3
index d39f58ef9..f29f1f577 100644
--- a/man3/setbuf.3
+++ b/man3/setbuf.3
@@ -66,7 +66,7 @@ When an output stream is unbuffered, information appears on
 the destination file or terminal as soon as written; when it is block
 buffered many characters are saved up and written as a block; when it is
 line buffered characters are saved up until a newline is output or input is
-read from any stream attached to a terminal device (typically stdin).
+read from any stream attached to a terminal device (typically \fIstdin\fP).
 The function
 .BR fflush (3)
 may be used to force the block out early.
diff --git a/man3/wprintf.3 b/man3/wprintf.3
index 554291a7c..0548f3d89 100644
--- a/man3/wprintf.3
+++ b/man3/wprintf.3
@@ -47,8 +47,8 @@ The
 and
 .BR vwprintf ()
 functions
-perform wide-character output to \fBstdout\fP.
-\fBstdout\fP must not be byte oriented; see function
+perform wide-character output to \fIstdout\fP.
+\fIstdout\fP must not be byte oriented; see function
 .BR fwide (3)
 for more information.
 .PP
diff --git a/man5/proc.5 b/man5/proc.5
index b0e405ca3..f18245a9d 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -1209,7 +1209,8 @@ This file contains the maximum number of in-memory inodes.
 On some (2.4) systems, it may not be
 present.
 This value should be 3-4 times larger
-than the value in file-max, since stdin, stdout and network sockets also
+than the value in file-max, since \fIstdin\fP, \fIstdout\fP
+and network sockets also
 need an inode to handle them.
 When you regularly run
 out of inodes, you need to increase this value.
diff --git a/man7/mdoc.samples.7 b/man7/mdoc.samples.7
index 5972b4b79..a2ddc178c 100644
--- a/man7/mdoc.samples.7
+++ b/man7/mdoc.samples.7
@@ -1067,7 +1067,7 @@ macro is identical, but without the dash.
 The
 .Ql \&.Fl
 macro without any arguments results
-in a dash representing stdin/stdout.
+in a dash representing \fIstdin\fP/\fIstdout\fP.
 Note that giving
 .Ql \&.Fl
 a single dash, will result in two dashes.