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-rw-r--r--doc/guix.texi7
1 files changed, 5 insertions, 2 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 9a5b5f7fbe..8acae26b9a 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -10809,8 +10809,11 @@ guix weather @var{options}@dots{} [@var{packages}@dots{}]
When @var{packages} is omitted, @command{guix weather} checks the availability
of substitutes for @emph{all} the packages, or for those specified with
@option{--manifest}; otherwise it only considers the specified packages. It
-is also possible to query specific system types with @option{--system}. The
-available options are listed below.
+is also possible to query specific system types with @option{--system}.
+@command{guix weather} exits with a non-zero code when the fraction of
+available substitutes is below 100%.
+
+The available options are listed below.
@table @code
@item --substitute-urls=@var{urls}