diff --git a/man3/openpty.3 b/man3/openpty.3
index ace869336..27c8afbe1 100644
--- a/man3/openpty.3
+++ b/man3/openpty.3
@@ -49,7 +49,7 @@ Link with \-lutil.
 .SH DESCRIPTION
 The
 .B openpty()
-function finds an available pseudo-tty and returns file descriptors
+function finds an available pseudo-terminal and returns file descriptors
 for the master and slave in
 .I amaster
 and
@@ -72,7 +72,7 @@ The
 .B login_tty()
 function prepares for a login on the tty
 .I fd
-(which may be a real tty device, or the slave of a pseudo-tty as
+(which may be a real tty device, or the slave of a pseudo-terminal as
 returned by
 .BR openpty() )
 by creating a new session, making
@@ -90,8 +90,8 @@ function combines
 .BR fork() ,
 and
 .B login_tty()
-to create a new process operating in a pseudo-tty.  The file
-descriptor of the master side of the pseudo-tty is returned in
+to create a new process operating in a pseudo-terminal.  The file
+descriptor of the master side of the pseudo-terminal is returned in
 .IR amaster ,
 and the filename of the slave in
 .I name
@@ -101,7 +101,7 @@ and
 .I winp
 parameters, if not NULL,
 will determine the terminal attributes and window size of the slave
-side of the pseudo-tty.
+side of the pseudo-terminal.
 .SH "RETURN VALUES"
 If a call to
 .BR openpty() ,
diff --git a/man4/tty_ioctl.4 b/man4/tty_ioctl.4
index e7428d8e8..ab74a5eeb 100644
--- a/man4/tty_ioctl.4
+++ b/man4/tty_ioctl.4
@@ -264,7 +264,7 @@ Set the line discipline of the tty.
 Enable (when
 .RI * argp
 is non-zero) or disable packet mode.
-Can be applied to the master side of a pseudotty only (and will return
+Can be applied to the master side of a pseudo-terminal only (and will return
 ENOTTY otherwise). In packet mode, each subsequent
 .BR read (2)
 will return a packet that either contains a single non-zero control byte,