Corner above the slot with white facing right; the edge is at the back, its top colour matching the corner's front sticker.
Algorithms
R U R'
3 moves · R and U only
YOURS
Relations
Mirror
F2L 3
Your algorithm backwards
R U' R'
solves F2L 1
That's why your scrambles are never the inverse of the algorithm: you'd be practising F2L 1 without knowing it. CubeDojo builds a random state with this case and checks it comes out.