git: b802c2f0a8a0 - stable/14 - pkg: update references to pkg.txz in man page

The branch stable/14 has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=b802c2f0a8a0c520a09e8ca5be79aac725af8918

commit b802c2f0a8a0c520a09e8ca5be79aac725af8918
Author:     Isaac Freund <ifreund@freebsdfoundation.org>
AuthorDate: 2025-04-24 07:05:37 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2025-05-06 22:10:06 +0000

    pkg: update references to pkg.txz in man page
    
    Only pkg.pkg is supported since 0cd9513a5ba5b.
    
    Reviewed by:    emaste, ziaee
    Fixes: 0cd9513a5ba5 ("pkg: retire backwards compatibility bootstrap support")
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D49994
    
    (cherry picked from commit 14704a7fdb77e92fdea11fc4b1e4e7479b0effbc)
---
 usr.sbin/pkg/pkg.7 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/usr.sbin/pkg/pkg.7 b/usr.sbin/pkg/pkg.7
index 982fd8ecaeb3..467f62d5747b 100644
--- a/usr.sbin/pkg/pkg.7
+++ b/usr.sbin/pkg/pkg.7
@@ -36,7 +36,7 @@
 .Cm add
 .Op Fl dfy
 .Op Fl r Ar reponame
-.Ar pkg.txz
+.Ar pkg.pkg
 .Nm
 .Fl N
 .Nm
@@ -67,7 +67,7 @@ is not installed yet, it will be fetched, have its signature verified,
 installed, and then have the original command forwarded to it.
 If already installed, the command requested will be forwarded to the real
 .Xr pkg 8 .
-.It Nm Cm add Oo Fl fy Oc Oo Fl r Ar reponame Oc Ar pkg.txz
+.It Nm Cm add Oo Fl fy Oc Oo Fl r Ar reponame Oc Ar pkg.pkg
 Install
 .Xr pkg 8
 from a local package instead of fetching from remote.