$ git format-patch master^^ master
-This creates two files, 0001-XXXX.txt and 0002-XXXX.txt. Send
+This creates two files, 0001-XXXX.patch and 0002-XXXX.patch. Send
them out "To: " your project maintainer and "Cc: " your mailing
list. You could use contributed script git-send-email if
your host has necessary perl modules for this, but your usual