You only have one or two valid frames (depending on the frame you started running on) to store your spark, so it can be useful to buffer the store as well.
As you near the ledge, pause. Go slightly early, if you happen to pause on the frame you should store on, you will miss it.
Zoom in on the map to check your position. If you are too far right, hold left and advance another frame. Once you are in this position, hold down and unpause to store.
Congrats! Don’t goof the spark :)
Want to print your doc? This is not the way.
Try clicking the ⋯ next to your doc name or using a keyboard shortcut (