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-rw-r--r--guix/scripts/time-machine.scm4
1 files changed, 3 insertions, 1 deletions
diff --git a/guix/scripts/time-machine.scm b/guix/scripts/time-machine.scm
index 441673b780..0d27414702 100644
--- a/guix/scripts/time-machine.scm
+++ b/guix/scripts/time-machine.scm
@@ -128,7 +128,9 @@ Execute COMMAND ARGS... in an older version of Guix.\n"))
;;; Entry point.
;;;
-(define (guix-time-machine . args)
+(define-command (guix-time-machine . args)
+ (synopsis "run commands from a different revision")
+
(with-error-handling
(with-git-error-handling
(let* ((opts (parse-args args))