fsfmerge.sh: Clarify user instructions

Change-Id: Iff2336e1b6df8ffbba2268675d05500a552e2c4b
1 file changed
tree: c1b219ac7b8ebc272a6a4b9e4a391bf1371c35b5
  1. .gitreview
  2. backflip
  3. backflip-from-tsv
  4. fsfmerge.sh