diff --git a/lib/libc/stdlib/getopt.3 b/lib/libc/stdlib/getopt.3
index d6cb07959caf..51f7ffbaadd2 100644
--- a/lib/libc/stdlib/getopt.3
+++ b/lib/libc/stdlib/getopt.3
@@ -199,7 +199,7 @@ argv += optind;
 .Sh HISTORY
 The
 .Fn getopt
-function appeared
+function appeared in
 .Bx 4.3 .
 .Sh BUGS
 The
diff --git a/sbin/mount_cd9660/mount_cd9660.8 b/sbin/mount_cd9660/mount_cd9660.8
index 387c687001a9..7e409fa3c74a 100644
--- a/sbin/mount_cd9660/mount_cd9660.8
+++ b/sbin/mount_cd9660/mount_cd9660.8
@@ -133,5 +133,5 @@ There is no ECMA support.
 .Sh HISTORY
 The
 .Nm
-utility first appeared
+utility first appeared in
 .Bx 4.4 .
diff --git a/usr.bin/m4/m4.1 b/usr.bin/m4/m4.1
index 3e5551f4e283..681befcd7dc9 100644
--- a/usr.bin/m4/m4.1
+++ b/usr.bin/m4/m4.1
@@ -132,7 +132,7 @@ Immediately exits with the return value specified by the first argument,
 0 if none.
 .It m4wrap
 Allows you to define what happens at the final EOF, usually for cleanup
-purposes (e.g., m4wrap("cleanup(tempfile)") causes the macro cleanup to
+purposes (e.g., m4wrap("cleanup(tempfile)") causes the macro cleanup to be
 invoked after all other processing is done.)
 .It maketemp
 Translates the string XXXXX in the first argument with the current process