Fix typo in doc/user/tkt_mgmt.rst

[ci skip]

(cherry picked from commit 8b5259b)

ticket: 8417
version_fixed: 1.14.3

doc/user/tkt_mgmt.rst

@@ -24,7 +24,7 @@ If a ticket is **forwardable**, then the KDC can issue a new ticket
 forwardable ticket.  This allows for authentication forwarding without
 requiring a password to be typed in again.  For example, if a user
 with a forwardable TGT logs into a remote system, the KDC could issue
-a new TGT for that user with the netword address of the remote system,
+a new TGT for that user with the network address of the remote system,
 allowing authentication on that host to work as though the user were
 logged in locally.