2 files changed, 7 insertions, 3 deletions

diff --git a/lib/libc/stdlib/getopt.3 b/lib/libc/stdlib/getopt.3
index 14c5fb4a7bec..8df433c368d6 100644
--- a/lib/libc/stdlib/getopt.3
+++ b/lib/libc/stdlib/getopt.3
@@ -145,7 +145,7 @@ function encounters a character not found in the string
 .Va optstring
 or detects
 a missing option argument it writes an error message to the
-.Em stderr
+.Dv stderr
 and returns
 .Ql ?\& .
 Setting
diff --git a/lib/libc/stdlib/malloc.3 b/lib/libc/stdlib/malloc.3
index 65173cf575c9..8b8eafb1ec8e 100644
--- a/lib/libc/stdlib/malloc.3
+++ b/lib/libc/stdlib/malloc.3
@@ -223,7 +223,9 @@ This option is incompatible with the
 option.
 .It X
 Rather than return failure for any allocation function,
-display a diagnostic message on stderr and cause the program to drop
+display a diagnostic message on
+.Dv stderr
+and cause the program to drop
 core (using
 .Xr abort 3 ) .
 This option should be set at compile time by including the following in
@@ -390,7 +392,9 @@ The
 .Va _malloc_message
 variable allows the programmer to override the function which emits
 the text strings forming the errors and warnings if for some reason
-the stderr filedescriptor is not suitable for this.
+the
+.Dv stderr
+file descriptor is not suitable for this.
 Please note that doing anything which tries to allocate memory in
 this function will assure death of the process.
 .Pp