pages*/freebsd, pages*/netbsd: uniform links (#13730)

pages/netbsd/cal.md

@@ -1,7 +1,7 @@
 # cal
 
 > Display a calendar.
-> More information: <https://man.freebsd.org/cgi/man.cgi?cal>.
+> More information: <https://man.netbsd.org/cal.1>.
 
 - Display a calendar for the current month:
 

pages/netbsd/chpass.md

@@ -2,7 +2,7 @@
 
 > Add or change user database information, including login shell and password.
 > See also: `passwd`.
-> More information: <https://man.openbsd.org/chsh>.
+> More information: <https://man.netbsd.org/chsh>.
 
 - Set a specific login shell for the current user interactively:
 

pages/netbsd/df.md

@@ -1,7 +1,7 @@
 # df
 
 > Display an overview of the filesystem disk space usage.
-> More information: <https://man.netbsd.org/NetBSD-9.3/df.1>.
+> More information: <https://man.netbsd.org/df.1>.
 
 - Display all filesystems and their disk usage using 512-byte units:
 

pages/netbsd/sockstat.md

@@ -3,7 +3,7 @@
 > List open Internet or UNIX domain sockets.
 > Note: this program is a rewrite for NetBSD 3.0 from FreeBSD's `sockstat`.
 > See also: `netstat`.
-> More information: <https://man.freebsd.org/cgi/man.cgi?sockstat>.
+> More information: <https://man.netbsd.org/sockstat.1>.
 
 - Show information for IPv4, IPv6 and Unix sockets for both listening and connected sockets: