Fix typo in hello_ranks example.
Fix typo in hello_ranks example.
shssoichiro/Rocket,impowski/Rocket,antonpirker/Rocket,impowski/Rocket,antonpirker/Rocket,gsquire/Rocket,gsquire/Rocket,impowski/Rocket,shssoichiro/Rocket,gsquire/Rocket,antonpirker/Rocket,shssoichiro/Rocket