docs: fixlet about xz compression levels and command line options

* doc/automake.texi (The types of distributions): To display a
progress bar, xz takes "-v" for verbose.

Copyright-paperwork-exempt: yes
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/doc/automake.texi b/doc/automake.texi
index a4e484c..701ef42 100644 (file)
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -8715,7 +8715,7 @@ By default, this rule makes @samp{xz} use a compression option of
 @option{-e}.  To make it use a different one, set the @env{XZ_OPT}
 environment variable.  For example, run this command to use the
 default compression ratio, but with a progress indicator:
-@samp{make dist-xz XZ_OPT=-7e}.
+@samp{make dist-xz XZ_OPT=-ve}.
 @trindex dist-xz
 
 @item @code{dist-zip}