INST: fixed typo
INST: fixed typo

Former-commit-id: 6ea225a301fd82823f95ec3f50a0c83f9fcffd8c
Former-commit-id: d24060cc5bf920468a9d58d02921f88e94bb0666
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox