Update cmd/flux/push_artifact.go

Co-authored-by: Stefan Prodan <stefan.prodan@gmail.com>
Signed-off-by: Fredrik Wärnsberg <fredrik@warnsberg.se>

cmd/flux/push_artifact.go

@@ -136,7 +136,7 @@ func init() {
 	pushArtifactCmd.Flags().StringVarP(&pushArtifactArgs.output, "output", "o", "",
 		"the format in which the artifact digest should be printed, can be 'json' or 'yaml'")
 	pushArtifactCmd.Flags().BoolVarP(&pushArtifactArgs.debug, "debug", "", false, "display logs from underlying library")
-	pushArtifactCmd.Flags().BoolVar(&pushArtifactArgs.reproducible, "reproducible", false, "ensure reproducible image digests by using fixed created at timestamps")
+	pushArtifactCmd.Flags().BoolVar(&pushArtifactArgs.reproducible, "reproducible", false, "ensure reproducible image digests by setting the created timestamp to '1970-01-01T00:00:00Z'")
 
 	pushCmd.AddCommand(pushArtifactCmd)
 }