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-rw-r--r--doc/guix.texi5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 786788bad7..c01eb3a656 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -9685,6 +9685,11 @@ run @command{guix publish} behind a caching proxy, or to use
allows @command{guix publish} to add @code{Content-Length} HTTP header
to its responses.
+This option can be repeated, in which case every substitute gets compressed
+using all the selected methods, and all of them are advertised. This is
+useful when users may not support all the compression methods: they can select
+the one they support.
+
@item --cache=@var{directory}
@itemx -c @var{directory}
Cache archives and meta-data (@code{.narinfo} URLs) to @var{directory}