diff --git a/man3/grantpt.3 b/man3/grantpt.3
index 761ee8a4c..2ec618353 100644
--- a/man3/grantpt.3
+++ b/man3/grantpt.3
@@ -3,7 +3,7 @@
 .\"
 .TH GRANTPT 3 "2003-01-30" "PTY Control" "Linux Programmer's Manual"
 .SH NAME
-grantpt \- grant access to the slave pseudotty
+grantpt \- grant access to the slave pseudo-terminal
 .SH SYNOPSIS
 .nf
 .B #define _XOPEN_SOURCE
diff --git a/man3/ptsname.3 b/man3/ptsname.3
index 6c0db8d41..c647d84c3 100644
--- a/man3/ptsname.3
+++ b/man3/ptsname.3
@@ -5,7 +5,7 @@
 .\"
 .TH PTSNAME 3 "2004-12-17" "PTY Control" "Linux Programmer's Manual"
 .SH NAME
-ptsname, ptsname_r \- get the name of the slave pseudotty
+ptsname, ptsname_r \- get the name of the slave pseudo-terminal
 .SH SYNOPSIS
 .nf
 .B #define _XOPEN_SOURCE
diff --git a/man3/unlockpt.3 b/man3/unlockpt.3
index f1d1a6309..d6d052b96 100644
--- a/man3/unlockpt.3
+++ b/man3/unlockpt.3
@@ -3,7 +3,7 @@
 .\"
 .TH UNLOCKPT 3 "2003-01-30" "PTY Control" "Linux Programmer's Manual"
 .SH NAME
-unlockpt \- unlock a pseudotty master/slave pair
+unlockpt \- unlock a pseudo-terminal master/slave pair
 .SH SYNOPSIS
 .nf
 .B #define _XOPEN_SOURCE