small typo in instructions

Where it says 

```(forward-request 51.9526599 7.632473 "6d0e711d72d74daeb2b0bfd2a5cdfdba")```

you want it to say 

```(reverse-request 51.9526599 7.632473 "6d0e711d72d74daeb2b0bfd2a5cdfdba")```