[Bug-tar] Two small corrections to texi manual

[Lucas Buchala]

diff --git a/doc/tar.texi b/doc/tar.texi
index 9cff066..9d4355f 100644
--- a/doc/tar.texi
+++ b/doc/tar.texi
@@ -9038,7 +9038,7 @@ create a @command{gzip} compressed archive, @option{-j}
 @option{--lzip} to create an @asis{lzip} compressed archive,
 @option{-J} (@option{--xz}) to create an @asis{XZ} archive,
 @option{--lzma} to create an @asis{LZMA} compressed
-archive, @option{--lzop} to create an @asis{LSOP} archive, and
+archive, @option{--lzop} to create an @asis{LZOP} archive, and
 @option{-Z} (@option{--compress}) to use @command{compress} program.
 For example:

@@ -9232,6 +9232,7 @@ suffix.  The following suffixes are recognized:
 @item @samp{.tlz} @tab @command{lzma}
 @item @samp{.lzo} @tab @command{lzop}
 @item @samp{.xz} @tab @command{xz}
+@item @samp{.txz} @tab @command{xz}
 @end multitable

 @anchor{use-compress-program}