pkg/list/sort: fix syntax in docs
Closes #1668
Signed-off-by: Aman Karmani <aman@tmm1.net>
Change-Id: Ia3067a0ba770aaaffbdaab5274ecdead1b5150cc
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/537153
Reviewed-by: Paul Jolly <paul@myitcv.io>
authored by