diff --git a/lib/libsysdecode/Makefile b/lib/libsysdecode/Makefile
--- a/lib/libsysdecode/Makefile
+++ b/lib/libsysdecode/Makefile
@@ -27,7 +27,7 @@
 	sysdecode_sigcode.3 \
 	sysdecode_sockopt_name.3 \
 	sysdecode_socket_protocol.3 \
-	sysdecode_syscallnames.3 \
+	sysdecode_syscallname.3 \
 	sysdecode_utrace.3
 MLINKS= sysdecode_abi_to_freebsd_errno.3 sysdecode_freebsd_to_abi_errno.3
 MLINKS+=sysdecode_enum.3 sysdecode_acltype.3 \
diff --git a/lib/libsysdecode/sysdecode.3 b/lib/libsysdecode/sysdecode.3
--- a/lib/libsysdecode/sysdecode.3
+++ b/lib/libsysdecode/sysdecode.3
@@ -73,7 +73,7 @@
 .Xr sysdecode_sigcode 3 ,
 .Xr sysdecode_socket_protocol 3 ,
 .Xr sysdecode_sockopt_name 3 ,
-.Xr sysdecode_syscallnames 3 ,
+.Xr sysdecode_syscallname 3 ,
 .Xr sysdecode_utrace 3
 .Sh HISTORY
 The
diff --git a/lib/libsysdecode/sysdecode_abi_to_freebsd_errno.3 b/lib/libsysdecode/sysdecode_abi_to_freebsd_errno.3
--- a/lib/libsysdecode/sysdecode_abi_to_freebsd_errno.3
+++ b/lib/libsysdecode/sysdecode_abi_to_freebsd_errno.3
@@ -89,4 +89,4 @@
 .Xr sysdecode 3 .
 .Sh SEE ALSO
 .Xr sysdecode 3 ,
-.Xr sysdecode_syscallnames 3
+.Xr sysdecode_syscallname 3
diff --git a/lib/libsysdecode/sysdecode_syscallnames.3 b/lib/libsysdecode/sysdecode_syscallname.3
rename from lib/libsysdecode/sysdecode_syscallnames.3
rename to lib/libsysdecode/sysdecode_syscallname.3
--- a/lib/libsysdecode/sysdecode_syscallnames.3
+++ b/lib/libsysdecode/sysdecode_syscallname.3
@@ -23,17 +23,17 @@
 .\" SUCH DAMAGE.
 .\"
 .Dd October 17, 2016
-.Dt sysdecode_syscallnames 3
+.Dt sysdecode_syscallname 3
 .Os
 .Sh NAME
-.Nm sysdecode_syscallnames
+.Nm sysdecode_syscallname
 .Nd lookup name of system calls
 .Sh LIBRARY
 .Lb libsysdecode
 .Sh SYNOPSIS
 .In sysdecode.h
 .Ft const char *
-.Fn sysdecode_syscallnames "enum sysdecode_abi abi" "unsigned int code"
+.Fn sysdecode_syscallname "enum sysdecode_abi abi" "unsigned int code"
 .Sh DESCRIPTION
 This function returns a pointer to the name of a system call identified by
 .Fa code