Fix broken manual references.

display/display.1

@@ -17,7 +17,7 @@ in windows.
 .Pp
 The user's preferred startup applications are launched on startup by launching
 the
-.Xr session
+.Xr session 5
 program (if set) or otherwise the
 .Xr displayrc 5
 script in the background.

sh/sh.1

@@ -55,7 +55,7 @@ The shell is a login shell.
 Interactive shells run the
 .Xr profile 5
 script on startup instead of the
-.Xr shrc
+.Xr shrc 5
 script.
 This option is set if the shell is invoked by a name starting with a dash
 .Sq - .

share/man/man5/init.5

@@ -168,7 +168,7 @@ Like
 but runs it in
 .Xr terminal 1
 inside the
-.Xr display 8
+.Xr display 1
 graphical user interface environment.
 This operating system mode is insecure because it boots straight to root access
 without a password.

share/man/man7/following-development.7

@@ -143,7 +143,7 @@ internal layout that can be directly extracted into the filesystem.
 The metatdata in
 .Pa /tix
 is now using the
-.Xr tix-vars 1
+.Xr tix-vars 8
 format in the style of
 .Xr port 5 .
 .Pp

share/man/man7/porting.7

@@ -393,7 +393,7 @@ Ports should never install such files and instead rely on
 for locating dependencies.
 .Pp
 The
-.Xr tix-eradicate-libtool-la 1
+.Xr tix-eradicate-libtool-la 8
 program can be used to remove any installed
 .Pa .la
 files in the

tix/tix-build.8

@@ -30,7 +30,7 @@ builds a source code directory containing a
 of software for this operating system.
 .Nm
 is usually invoked through the higher level
-.Xr tix-port 7 .
+.Xr tix-port 8 .
 .Pp
 The mandatory
 .Ar port

utils/kernelinfo.1

@@ -21,7 +21,7 @@ The name of the current kernel.
 The version of the current kernel.
 .It Sy tagline
 The tagline (slogan) of the release.
-.It sy options
+.It Sy options
 The
 .Xr kernel 7
 options.